<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2023 Workiva-->
<!--r:e853bfd2-61b8-48b6-af46-b78fc8dac1ad,g:b2218726-f932-48f1-a8c3-1bb0a3d391e7-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://www.micron.com/role/STATEMENTOFCHANGESINEQUITY" xlink:type="simple" xlink:href="mu-20230601.xsd#STATEMENTOFCHANGESINEQUITY"/>
  <link:definitionLink xlink:role="http://www.micron.com/role/STATEMENTOFCHANGESINEQUITY" xlink:type="extended" id="i05a292958acf4f2ebb38a84a9001dc29_STATEMENTOFCHANGESINEQUITY">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_2957e573-f184-4dde-b237-a7ff2f8d7967" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_d16feda9-7cc1-4e04-81d3-35dfe7d4d575" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_2957e573-f184-4dde-b237-a7ff2f8d7967" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_d16feda9-7cc1-4e04-81d3-35dfe7d4d575" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued_a0c720e4-eda0-4a57-b3e9-8224a8590614" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_d16feda9-7cc1-4e04-81d3-35dfe7d4d575" xlink:to="loc_us-gaap_CommonStockSharesIssued_a0c720e4-eda0-4a57-b3e9-8224a8590614" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_3c483456-e2cc-4945-800b-205c6ca2fd72" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_d16feda9-7cc1-4e04-81d3-35dfe7d4d575" xlink:to="loc_us-gaap_StockholdersEquity_3c483456-e2cc-4945-800b-205c6ca2fd72" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_139347be-3b5d-4fad-bc26-f042c8a20445" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_d16feda9-7cc1-4e04-81d3-35dfe7d4d575" xlink:to="loc_us-gaap_NetIncomeLoss_139347be-3b5d-4fad-bc26-f042c8a20445" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_62827bb5-8726-49c1-bd04-03b74402268d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_d16feda9-7cc1-4e04-81d3-35dfe7d4d575" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_62827bb5-8726-49c1-bd04-03b74402268d" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_bcbf4798-745f-43d9-94a7-39806ab400b3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_d16feda9-7cc1-4e04-81d3-35dfe7d4d575" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_bcbf4798-745f-43d9-94a7-39806ab400b3" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_e73966ae-39d8-43d2-9713-e6b1b41c113b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_d16feda9-7cc1-4e04-81d3-35dfe7d4d575" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_e73966ae-39d8-43d2-9713-e6b1b41c113b" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_2391b792-910a-4abc-9bbc-e27a8dde60d7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_d16feda9-7cc1-4e04-81d3-35dfe7d4d575" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_2391b792-910a-4abc-9bbc-e27a8dde60d7" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_2ba7ac71-f44a-4972-9de5-992c6b5e4916" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_d16feda9-7cc1-4e04-81d3-35dfe7d4d575" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_2ba7ac71-f44a-4972-9de5-992c6b5e4916" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_11e5681a-2cd0-4800-b329-eba2653b73e4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_d16feda9-7cc1-4e04-81d3-35dfe7d4d575" xlink:to="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_11e5681a-2cd0-4800-b329-eba2653b73e4" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_0bf304e5-f9af-4d6b-bdb5-151ed7a4961a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_d16feda9-7cc1-4e04-81d3-35dfe7d4d575" xlink:to="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_0bf304e5-f9af-4d6b-bdb5-151ed7a4961a" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_a87c54f2-f389-41bd-9fe4-fa9ffad92307" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockDividendsPerShareDeclared"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_d16feda9-7cc1-4e04-81d3-35dfe7d4d575" xlink:to="loc_us-gaap_CommonStockDividendsPerShareDeclared_a87c54f2-f389-41bd-9fe4-fa9ffad92307" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsCommonStockCash_0c98f6a4-3758-461b-a747-293b07614a72" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DividendsCommonStockCash"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_d16feda9-7cc1-4e04-81d3-35dfe7d4d575" xlink:to="loc_us-gaap_DividendsCommonStockCash_0c98f6a4-3758-461b-a747-293b07614a72" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued_41c1f458-1624-4b7b-8928-e1e31c932c90" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesIssued"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_f3cd5aa2-eb5b-4871-a6d8-c42cf914b95f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_0f4d1c62-4544-47ba-8248-00f5e1208810" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_2957e573-f184-4dde-b237-a7ff2f8d7967" xlink:to="loc_us-gaap_StatementTable_0f4d1c62-4544-47ba-8248-00f5e1208810" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_cef38722-5d06-4a8f-b112-96d00344fe9e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_0f4d1c62-4544-47ba-8248-00f5e1208810" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_cef38722-5d06-4a8f-b112-96d00344fe9e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_cef38722-5d06-4a8f-b112-96d00344fe9e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_cef38722-5d06-4a8f-b112-96d00344fe9e" xlink:to="loc_us-gaap_EquityComponentDomain_cef38722-5d06-4a8f-b112-96d00344fe9e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_fe089621-268d-48a6-bdcd-586f2ce0bf09" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_cef38722-5d06-4a8f-b112-96d00344fe9e" xlink:to="loc_us-gaap_EquityComponentDomain_fe089621-268d-48a6-bdcd-586f2ce0bf09" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_0a4d9c07-464f-480a-9a3a-dba7d4290b1d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_fe089621-268d-48a6-bdcd-586f2ce0bf09" xlink:to="loc_us-gaap_CommonStockMember_0a4d9c07-464f-480a-9a3a-dba7d4290b1d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_4e8df673-9a65-469f-bf33-6c3de2d3b09f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_fe089621-268d-48a6-bdcd-586f2ce0bf09" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_4e8df673-9a65-469f-bf33-6c3de2d3b09f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_3dcbfde4-31b6-4a73-bdfa-0708d5cfdf1a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_fe089621-268d-48a6-bdcd-586f2ce0bf09" xlink:to="loc_us-gaap_RetainedEarningsMember_3dcbfde4-31b6-4a73-bdfa-0708d5cfdf1a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonMember_cf4c8b12-eaa4-4f08-99e3-d37259f0b929" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TreasuryStockCommonMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_fe089621-268d-48a6-bdcd-586f2ce0bf09" xlink:to="loc_us-gaap_TreasuryStockCommonMember_cf4c8b12-eaa4-4f08-99e3-d37259f0b929" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_bcc4aef5-d002-437e-a7b1-cdd5bf9e2c5d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_fe089621-268d-48a6-bdcd-586f2ce0bf09" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_bcc4aef5-d002-437e-a7b1-cdd5bf9e2c5d" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.micron.com/role/CashandInvestmentsDetails" xlink:type="simple" xlink:href="mu-20230601.xsd#CashandInvestmentsDetails"/>
  <link:definitionLink xlink:role="http://www.micron.com/role/CashandInvestmentsDetails" xlink:type="extended" id="i311a8598f18b4707939bb5365ee06b90_CashandInvestmentsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_7fb07077-33cb-4393-bd16-7f08b499c1d2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_d4d3777d-bc73-4904-9ac6-9fe2fe2d388e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_7fb07077-33cb-4393-bd16-7f08b499c1d2" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_d4d3777d-bc73-4904-9ac6-9fe2fe2d388e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_4b831897-09dc-4c61-b6fd-50b811d00700" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_7fb07077-33cb-4393-bd16-7f08b499c1d2" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent_4b831897-09dc-4c61-b6fd-50b811d00700" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesNoncurrent_7d91108b-dbcc-41b4-b8da-966e06e8d0b8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecuritiesNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_7fb07077-33cb-4393-bd16-7f08b499c1d2" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecuritiesNoncurrent_7d91108b-dbcc-41b4-b8da-966e06e8d0b8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_CashCashEquivalentsandAvailableforSaleDebtSecurities_77045c37-f3d9-4176-95d8-9582e208dffc" xlink:href="mu-20230601.xsd#mu_CashCashEquivalentsandAvailableforSaleDebtSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_7fb07077-33cb-4393-bd16-7f08b499c1d2" xlink:to="loc_mu_CashCashEquivalentsandAvailableforSaleDebtSecurities_77045c37-f3d9-4176-95d8-9582e208dffc" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCash_1b9d014d-cf35-4275-934a-db31d6dce8d4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestrictedCash"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_7fb07077-33cb-4393-bd16-7f08b499c1d2" xlink:to="loc_us-gaap_RestrictedCash_1b9d014d-cf35-4275-934a-db31d6dce8d4" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_94370b81-3968-45a9-b3f6-42b60cd60c45" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_7fb07077-33cb-4393-bd16-7f08b499c1d2" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_94370b81-3968-45a9-b3f6-42b60cd60c45" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_DebtSecuritiesAvailableForSaleTermNoncurrent_1b056be9-53f7-48d9-98c0-a085388fbc7f" xlink:href="mu-20230601.xsd#mu_DebtSecuritiesAvailableForSaleTermNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_7fb07077-33cb-4393-bd16-7f08b499c1d2" xlink:to="loc_mu_DebtSecuritiesAvailableForSaleTermNoncurrent_1b056be9-53f7-48d9-98c0-a085388fbc7f" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesAvailableForSaleTable_850a01a9-9239-4e9d-91ac-55449bc76f41" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtSecuritiesAvailableForSaleTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_7fb07077-33cb-4393-bd16-7f08b499c1d2" xlink:to="loc_us-gaap_DebtSecuritiesAvailableForSaleTable_850a01a9-9239-4e9d-91ac-55449bc76f41" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_746eee47-854e-47a4-841e-feaf9912599d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleTable_850a01a9-9239-4e9d-91ac-55449bc76f41" xlink:to="loc_us-gaap_FinancialInstrumentAxis_746eee47-854e-47a4-841e-feaf9912599d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_746eee47-854e-47a4-841e-feaf9912599d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_746eee47-854e-47a4-841e-feaf9912599d" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_746eee47-854e-47a4-841e-feaf9912599d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_affc3bb4-ce7e-4aaa-a772-c4eb34b14441" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_746eee47-854e-47a4-841e-feaf9912599d" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_affc3bb4-ce7e-4aaa-a772-c4eb34b14441" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashMember_75f18cad-9dac-4470-ad56-af974729ba46" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_affc3bb4-ce7e-4aaa-a772-c4eb34b14441" xlink:to="loc_us-gaap_CashMember_75f18cad-9dac-4470-ad56-af974729ba46" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MoneyMarketFundsMember_743bf343-5826-4ff3-af8e-bd49ca0ad891" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MoneyMarketFundsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_affc3bb4-ce7e-4aaa-a772-c4eb34b14441" xlink:to="loc_us-gaap_MoneyMarketFundsMember_743bf343-5826-4ff3-af8e-bd49ca0ad891" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CertificatesOfDepositMember_a4d62265-e7e5-491a-a498-c751ce2511be" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CertificatesOfDepositMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_affc3bb4-ce7e-4aaa-a772-c4eb34b14441" xlink:to="loc_us-gaap_CertificatesOfDepositMember_a4d62265-e7e5-491a-a498-c751ce2511be" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_832b261c-5fac-4d4b-8a11-bb5c2ece1800" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CorporateDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_affc3bb4-ce7e-4aaa-a772-c4eb34b14441" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_832b261c-5fac-4d4b-8a11-bb5c2ece1800" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetBackedSecuritiesMember_3c7b2b54-7f0c-4f36-b383-aa09abd26b9b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetBackedSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_affc3bb4-ce7e-4aaa-a772-c4eb34b14441" xlink:to="loc_us-gaap_AssetBackedSecuritiesMember_3c7b2b54-7f0c-4f36-b383-aa09abd26b9b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_USStatesAndPoliticalSubdivisionsMember_e8b6deb9-9805-4444-8b65-ac2219cbe5d0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_USStatesAndPoliticalSubdivisionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_affc3bb4-ce7e-4aaa-a772-c4eb34b14441" xlink:to="loc_us-gaap_USStatesAndPoliticalSubdivisionsMember_e8b6deb9-9805-4444-8b65-ac2219cbe5d0" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommercialPaperMember_a1af8d89-c418-4a6b-b1ea-b3342e1ccdeb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommercialPaperMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_affc3bb4-ce7e-4aaa-a772-c4eb34b14441" xlink:to="loc_us-gaap_CommercialPaperMember_a1af8d89-c418-4a6b-b1ea-b3342e1ccdeb" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_62e47402-c724-4d54-9d81-ce734f5688db" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleTable_850a01a9-9239-4e9d-91ac-55449bc76f41" xlink:to="loc_srt_RangeAxis_62e47402-c724-4d54-9d81-ce734f5688db" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_62e47402-c724-4d54-9d81-ce734f5688db_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_62e47402-c724-4d54-9d81-ce734f5688db" xlink:to="loc_srt_RangeMember_62e47402-c724-4d54-9d81-ce734f5688db_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_ed31667a-de3b-4ee7-9024-d07ef4e65910" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_62e47402-c724-4d54-9d81-ce734f5688db" xlink:to="loc_srt_RangeMember_ed31667a-de3b-4ee7-9024-d07ef4e65910" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_0240f876-a7b2-4d28-bd52-cdddae6ee6be" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_ed31667a-de3b-4ee7-9024-d07ef4e65910" xlink:to="loc_srt_MinimumMember_0240f876-a7b2-4d28-bd52-cdddae6ee6be" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_5fba3dcd-2cc8-473f-ad95-5d9da7e17811" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_ed31667a-de3b-4ee7-9024-d07ef4e65910" xlink:to="loc_srt_MaximumMember_5fba3dcd-2cc8-473f-ad95-5d9da7e17811" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_c3c60437-7592-43e8-b6c1-0030d5e0a8e7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtSecuritiesAvailableForSaleTable_850a01a9-9239-4e9d-91ac-55449bc76f41" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_c3c60437-7592-43e8-b6c1-0030d5e0a8e7" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_c3c60437-7592-43e8-b6c1-0030d5e0a8e7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_c3c60437-7592-43e8-b6c1-0030d5e0a8e7" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_c3c60437-7592-43e8-b6c1-0030d5e0a8e7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_53e0d36a-4269-4be8-b605-ff568d16d3d8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_c3c60437-7592-43e8-b6c1-0030d5e0a8e7" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_53e0d36a-4269-4be8-b605-ff568d16d3d8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_66813335-d67a-4281-9c6c-b7cc8442cebf" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_53e0d36a-4269-4be8-b605-ff568d16d3d8" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_66813335-d67a-4281-9c6c-b7cc8442cebf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_0e3d36a5-2585-4119-98db-6fe03ff96b75" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_53e0d36a-4269-4be8-b605-ff568d16d3d8" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_0e3d36a5-2585-4119-98db-6fe03ff96b75" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.micron.com/role/PropertyPlantandEquipmentDetails" xlink:type="simple" xlink:href="mu-20230601.xsd#PropertyPlantandEquipmentDetails"/>
  <link:definitionLink xlink:role="http://www.micron.com/role/PropertyPlantandEquipmentDetails" xlink:type="extended" id="if1f26f8b9d6a45c49bf4bcb17b5e7235_PropertyPlantandEquipmentDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_717f0cca-f84b-4dd1-ab0d-d006f36759e5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortizationAbstract_10482f71-4669-4890-bac0-0e6d1124fb2a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortizationAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_717f0cca-f84b-4dd1-ab0d-d006f36759e5" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortizationAbstract_10482f71-4669-4890-bac0-0e6d1124fb2a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_f2b5cc47-0df9-4edd-8a9d-038798059094" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortizationAbstract_10482f71-4669-4890-bac0-0e6d1124fb2a" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization_f2b5cc47-0df9-4edd-8a9d-038798059094" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_5e6fe40f-8d6d-4b02-8127-58e695e2b915" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortizationAbstract_10482f71-4669-4890-bac0-0e6d1124fb2a" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_5e6fe40f-8d6d-4b02-8127-58e695e2b915" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_80449163-976c-4a48-94a9-c10c26f7620e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortizationAbstract_10482f71-4669-4890-bac0-0e6d1124fb2a" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_80449163-976c-4a48-94a9-c10c26f7620e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_662f03d8-1194-4dfe-a348-2d08d8c92662" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_717f0cca-f84b-4dd1-ab0d-d006f36759e5" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_662f03d8-1194-4dfe-a348-2d08d8c92662" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_8ca16414-e41c-40cf-b8bf-867f21284dc3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_662f03d8-1194-4dfe-a348-2d08d8c92662" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_8ca16414-e41c-40cf-b8bf-867f21284dc3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_8ca16414-e41c-40cf-b8bf-867f21284dc3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_8ca16414-e41c-40cf-b8bf-867f21284dc3" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_8ca16414-e41c-40cf-b8bf-867f21284dc3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_ab8feb7d-2892-4f0d-8867-d08f6b098c1a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_8ca16414-e41c-40cf-b8bf-867f21284dc3" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_ab8feb7d-2892-4f0d-8867-d08f6b098c1a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LandMember_e989f881-2ca8-468b-94ee-ed73d6aef648" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LandMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_ab8feb7d-2892-4f0d-8867-d08f6b098c1a" xlink:to="loc_us-gaap_LandMember_e989f881-2ca8-468b-94ee-ed73d6aef648" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BuildingAndBuildingImprovementsMember_4b5f3acf-83e7-4774-a08a-d21bad99b712" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BuildingAndBuildingImprovementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_ab8feb7d-2892-4f0d-8867-d08f6b098c1a" xlink:to="loc_us-gaap_BuildingAndBuildingImprovementsMember_4b5f3acf-83e7-4774-a08a-d21bad99b712" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquipmentMember_6c5b6859-1ad8-4d25-845f-9804ecf6260e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquipmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_ab8feb7d-2892-4f0d-8867-d08f6b098c1a" xlink:to="loc_us-gaap_EquipmentMember_6c5b6859-1ad8-4d25-845f-9804ecf6260e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_EquipmentnotplacedintoserviceMember_9944ca1b-184d-416b-b88f-9d1c801ab7b2" xlink:href="mu-20230601.xsd#mu_EquipmentnotplacedintoserviceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquipmentMember_6c5b6859-1ad8-4d25-845f-9804ecf6260e" xlink:to="loc_mu_EquipmentnotplacedintoserviceMember_9944ca1b-184d-416b-b88f-9d1c801ab7b2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConstructionInProgressMember_a0e4bedc-88e2-4173-8f30-8dd8a5617fd8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConstructionInProgressMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_ab8feb7d-2892-4f0d-8867-d08f6b098c1a" xlink:to="loc_us-gaap_ConstructionInProgressMember_a0e4bedc-88e2-4173-8f30-8dd8a5617fd8" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember_da792193-1a7c-4874-a7dc-28310329c665" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SoftwareAndSoftwareDevelopmentCostsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_ab8feb7d-2892-4f0d-8867-d08f6b098c1a" xlink:to="loc_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember_da792193-1a7c-4874-a7dc-28310329c665" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.micron.com/role/IntangibleAssetsDetails" xlink:type="simple" xlink:href="mu-20230601.xsd#IntangibleAssetsDetails"/>
  <link:definitionLink xlink:role="http://www.micron.com/role/IntangibleAssetsDetails" xlink:type="extended" id="i3b24e42b34b44835a7e528ad85c939a3_IntangibleAssetsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_3788cd7a-a279-48e1-a6b8-6c9b01ed54a6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsPeriodIncreaseDecrease_94f484f4-c1bf-4ef5-9cbb-6e60e41b78e3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsPeriodIncreaseDecrease"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_3788cd7a-a279-48e1-a6b8-6c9b01ed54a6" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsPeriodIncreaseDecrease_94f484f4-c1bf-4ef5-9cbb-6e60e41b78e3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_1756c7d1-3b3e-4151-943e-607070506806" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_3788cd7a-a279-48e1-a6b8-6c9b01ed54a6" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_1756c7d1-3b3e-4151-943e-607070506806" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentForAmortizationAbstract_d58bdbee-94b6-4c3f-ab8e-2c73c0f2755c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdjustmentForAmortizationAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_3788cd7a-a279-48e1-a6b8-6c9b01ed54a6" xlink:to="loc_us-gaap_AdjustmentForAmortizationAbstract_d58bdbee-94b6-4c3f-ab8e-2c73c0f2755c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_bee20ed8-aeb0-4be3-9e1a-71e649a7f801" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentForAmortizationAbstract_d58bdbee-94b6-4c3f-ab8e-2c73c0f2755c" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_bee20ed8-aeb0-4be3-9e1a-71e649a7f801" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_86836b7e-c0d0-4578-bd98-3ca542172780" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_3788cd7a-a279-48e1-a6b8-6c9b01ed54a6" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_86836b7e-c0d0-4578-bd98-3ca542172780" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_42da2bbb-0673-4061-8156-aac644667ced" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_86836b7e-c0d0-4578-bd98-3ca542172780" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_42da2bbb-0673-4061-8156-aac644667ced" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_750771d3-fae7-49fd-b5de-984e13dd46ac" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_86836b7e-c0d0-4578-bd98-3ca542172780" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_750771d3-fae7-49fd-b5de-984e13dd46ac" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_ea660161-e78a-4c60-b34e-a823df6b6911" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_86836b7e-c0d0-4578-bd98-3ca542172780" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_ea660161-e78a-4c60-b34e-a823df6b6911" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_d17c70f0-e647-455a-916a-24face124ef9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_86836b7e-c0d0-4578-bd98-3ca542172780" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_d17c70f0-e647-455a-916a-24face124ef9" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_1ff90c35-0197-460b-89ae-0eea059cb48c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_86836b7e-c0d0-4578-bd98-3ca542172780" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_1ff90c35-0197-460b-89ae-0eea059cb48c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_1dde8ee8-72e6-4cb1-a44b-401df899d0a3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_3788cd7a-a279-48e1-a6b8-6c9b01ed54a6" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_1dde8ee8-72e6-4cb1-a44b-401df899d0a3" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_dde6afcc-6003-44e4-b312-53e05f6786ab" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_1dde8ee8-72e6-4cb1-a44b-401df899d0a3" xlink:to="loc_srt_RangeAxis_dde6afcc-6003-44e4-b312-53e05f6786ab" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_dde6afcc-6003-44e4-b312-53e05f6786ab_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_dde6afcc-6003-44e4-b312-53e05f6786ab" xlink:to="loc_srt_RangeMember_dde6afcc-6003-44e4-b312-53e05f6786ab_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_777c9b67-a72b-4d21-9d0a-3775533a1129" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_dde6afcc-6003-44e4-b312-53e05f6786ab" xlink:to="loc_srt_RangeMember_777c9b67-a72b-4d21-9d0a-3775533a1129" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_WeightedAverageMember_c25aa6d0-e5fd-4fca-aebd-0dc800cf9826" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_WeightedAverageMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_777c9b67-a72b-4d21-9d0a-3775533a1129" xlink:to="loc_srt_WeightedAverageMember_c25aa6d0-e5fd-4fca-aebd-0dc800cf9826" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.micron.com/role/LeasesNotYetCommencedDetails" xlink:type="simple" xlink:href="mu-20230601.xsd#LeasesNotYetCommencedDetails"/>
  <link:definitionLink xlink:role="http://www.micron.com/role/LeasesNotYetCommencedDetails" xlink:type="extended" id="ia3a2e492518f42b49d287e7526e9f760_LeasesNotYetCommencedDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionLineItems_636dbfbe-13ce-4bf7-92c7-76d43ce01a69" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeLeaseDescriptionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeFinanceLeaseNotYetCommencedDescriptionAbstract_0db8b57b-8f7b-416f-8000-aa335dde8880" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeFinanceLeaseNotYetCommencedDescriptionAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_636dbfbe-13ce-4bf7-92c7-76d43ce01a69" xlink:to="loc_us-gaap_LesseeFinanceLeaseNotYetCommencedDescriptionAbstract_0db8b57b-8f7b-416f-8000-aa335dde8880" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_LesseeFinanceLeaseLeaseNotYetCommencedFuturePayments_503f2fe7-aeb3-460e-822e-a50932cfed08" xlink:href="mu-20230601.xsd#mu_LesseeFinanceLeaseLeaseNotYetCommencedFuturePayments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeFinanceLeaseNotYetCommencedDescriptionAbstract_0db8b57b-8f7b-416f-8000-aa335dde8880" xlink:to="loc_mu_LesseeFinanceLeaseLeaseNotYetCommencedFuturePayments_503f2fe7-aeb3-460e-822e-a50932cfed08" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeFinanceLeaseLeaseNotYetCommencedTermOfContract1_4706033e-d47c-4b68-9a94-e21a2b9f88c3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeFinanceLeaseLeaseNotYetCommencedTermOfContract1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeFinanceLeaseNotYetCommencedDescriptionAbstract_0db8b57b-8f7b-416f-8000-aa335dde8880" xlink:to="loc_us-gaap_LesseeFinanceLeaseLeaseNotYetCommencedTermOfContract1_4706033e-d47c-4b68-9a94-e21a2b9f88c3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionTable_7abd4e27-f9d4-459a-890b-0b257019903a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LesseeLeaseDescriptionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_636dbfbe-13ce-4bf7-92c7-76d43ce01a69" xlink:to="loc_us-gaap_LesseeLeaseDescriptionTable_7abd4e27-f9d4-459a-890b-0b257019903a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_04be62c2-e67e-481a-9bc0-26de977f441d" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LesseeLeaseDescriptionTable_7abd4e27-f9d4-459a-890b-0b257019903a" xlink:to="loc_srt_RangeAxis_04be62c2-e67e-481a-9bc0-26de977f441d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_04be62c2-e67e-481a-9bc0-26de977f441d_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_04be62c2-e67e-481a-9bc0-26de977f441d" xlink:to="loc_srt_RangeMember_04be62c2-e67e-481a-9bc0-26de977f441d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_3e5a00e8-24e3-44fe-8708-4becb403cc56" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_04be62c2-e67e-481a-9bc0-26de977f441d" xlink:to="loc_srt_RangeMember_3e5a00e8-24e3-44fe-8708-4becb403cc56" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_WeightedAverageMember_73328009-e26a-45f2-9d9d-2fc990f5c717" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_WeightedAverageMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_3e5a00e8-24e3-44fe-8708-4becb403cc56" xlink:to="loc_srt_WeightedAverageMember_73328009-e26a-45f2-9d9d-2fc990f5c717" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.micron.com/role/DebtLongtermDebtDetails" xlink:type="simple" xlink:href="mu-20230601.xsd#DebtLongtermDebtDetails"/>
  <link:definitionLink xlink:role="http://www.micron.com/role/DebtLongtermDebtDetails" xlink:type="extended" id="i3959820aeb304a78bf9fc3d322d764dd_DebtLongtermDebtDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_f4cab513-ed88-4520-b549-c1061b33c16e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtByCurrentAndNoncurrentAbstract_e9fde908-f356-4874-9d32-4364dd7f2505" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtByCurrentAndNoncurrentAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_f4cab513-ed88-4520-b549-c1061b33c16e" xlink:to="loc_us-gaap_LongTermDebtByCurrentAndNoncurrentAbstract_e9fde908-f356-4874-9d32-4364dd7f2505" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_fe7ea022-3417-427c-94e0-adf8ba5e05ab" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtByCurrentAndNoncurrentAbstract_e9fde908-f356-4874-9d32-4364dd7f2505" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_fe7ea022-3417-427c-94e0-adf8ba5e05ab" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_31150eff-26a3-4291-b69a-87842d6520a7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtByCurrentAndNoncurrentAbstract_e9fde908-f356-4874-9d32-4364dd7f2505" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_31150eff-26a3-4291-b69a-87842d6520a7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_5872c027-3982-4872-a1fd-e08185bde990" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtByCurrentAndNoncurrentAbstract_e9fde908-f356-4874-9d32-4364dd7f2505" xlink:to="loc_us-gaap_LongTermDebtCurrent_5872c027-3982-4872-a1fd-e08185bde990" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_1883c984-bf86-4ba8-ba85-7b0b1ad3bb80" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtByCurrentAndNoncurrentAbstract_e9fde908-f356-4874-9d32-4364dd7f2505" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_1883c984-bf86-4ba8-ba85-7b0b1ad3bb80" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_d03aa256-815b-4f77-b1ad-f41a7437a56c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtByCurrentAndNoncurrentAbstract_e9fde908-f356-4874-9d32-4364dd7f2505" xlink:to="loc_us-gaap_LongTermDebt_d03aa256-815b-4f77-b1ad-f41a7437a56c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent_60da980c-92b6-4622-a286-5c82b730ccbe" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtByCurrentAndNoncurrentAbstract_e9fde908-f356-4874-9d32-4364dd7f2505" xlink:to="loc_us-gaap_FinanceLeaseWeightedAverageDiscountRatePercent_60da980c-92b6-4622-a286-5c82b730ccbe" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityCurrent_974c2ce0-3ece-4659-ad55-24a29b3acf9d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtByCurrentAndNoncurrentAbstract_e9fde908-f356-4874-9d32-4364dd7f2505" xlink:to="loc_us-gaap_FinanceLeaseLiabilityCurrent_974c2ce0-3ece-4659-ad55-24a29b3acf9d" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_425918bd-c2b3-4b44-a0f3-15f6b4dd3bb5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtByCurrentAndNoncurrentAbstract_e9fde908-f356-4874-9d32-4364dd7f2505" xlink:to="loc_us-gaap_FinanceLeaseLiabilityNoncurrent_425918bd-c2b3-4b44-a0f3-15f6b4dd3bb5" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_be47fc97-58c5-443b-8ccf-9999bb1d4240" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtByCurrentAndNoncurrentAbstract_e9fde908-f356-4874-9d32-4364dd7f2505" xlink:to="loc_us-gaap_FinanceLeaseLiability_be47fc97-58c5-443b-8ccf-9999bb1d4240" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsAbstract_738b33c2-b5f5-4b35-8251-b64f133b9a22" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtByCurrentAndNoncurrentAbstract_e9fde908-f356-4874-9d32-4364dd7f2505" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsAbstract_738b33c2-b5f5-4b35-8251-b64f133b9a22" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtCurrent_480f99d9-86c3-4a1d-9d20-06619a66386b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsAbstract_738b33c2-b5f5-4b35-8251-b64f133b9a22" xlink:to="loc_us-gaap_DebtCurrent_480f99d9-86c3-4a1d-9d20-06619a66386b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_0e27395f-af3e-4dce-8e8b-09016ad2f01f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsAbstract_738b33c2-b5f5-4b35-8251-b64f133b9a22" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_0e27395f-af3e-4dce-8e8b-09016ad2f01f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtAndCapitalLeaseObligations_5a6ca8d3-ea51-4035-b377-5b7799fe7156" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtAndCapitalLeaseObligations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsAbstract_738b33c2-b5f5-4b35-8251-b64f133b9a22" xlink:to="loc_us-gaap_DebtAndCapitalLeaseObligations_5a6ca8d3-ea51-4035-b377-5b7799fe7156" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList_82cdeccf-98f6-4484-9b92-0029378e54f6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_f4cab513-ed88-4520-b549-c1061b33c16e" xlink:to="loc_us-gaap_FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList_82cdeccf-98f6-4484-9b92-0029378e54f6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList_dd194c0c-2e7d-4b9b-96ad-8bbdb5455da2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_f4cab513-ed88-4520-b549-c1061b33c16e" xlink:to="loc_us-gaap_FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList_dd194c0c-2e7d-4b9b-96ad-8bbdb5455da2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNotionalAmount_49587188-1d7d-49f0-84aa-4fd83a74764d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeNotionalAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_f4cab513-ed88-4520-b549-c1061b33c16e" xlink:to="loc_us-gaap_DerivativeNotionalAmount_49587188-1d7d-49f0-84aa-4fd83a74764d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeBasisSpreadOnVariableRate_b970e407-3aca-4315-8b8a-faaa4d2f5bbd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeBasisSpreadOnVariableRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_f4cab513-ed88-4520-b549-c1061b33c16e" xlink:to="loc_us-gaap_DerivativeBasisSpreadOnVariableRate_b970e407-3aca-4315-8b8a-faaa4d2f5bbd" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentIncreaseDecreaseNetAbstract_d1a16aa8-bbf9-469a-9026-bd49b16ee9df" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentIncreaseDecreaseNetAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_f4cab513-ed88-4520-b549-c1061b33c16e" xlink:to="loc_us-gaap_DebtInstrumentIncreaseDecreaseNetAbstract_d1a16aa8-bbf9-469a-9026-bd49b16ee9df" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_DebtInstrumentNetIncreaseDecreasePrincipal_dbdda741-a1eb-4b0b-a250-103c31647b5a" xlink:href="mu-20230601.xsd#mu_DebtInstrumentNetIncreaseDecreasePrincipal"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentIncreaseDecreaseNetAbstract_d1a16aa8-bbf9-469a-9026-bd49b16ee9df" xlink:to="loc_mu_DebtInstrumentNetIncreaseDecreasePrincipal_dbdda741-a1eb-4b0b-a250-103c31647b5a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentIncreaseDecreaseForPeriodNet_be1751cd-f8bf-4418-a0a9-06a0e4e68fd9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentIncreaseDecreaseForPeriodNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentIncreaseDecreaseNetAbstract_d1a16aa8-bbf9-469a-9026-bd49b16ee9df" xlink:to="loc_us-gaap_DebtInstrumentIncreaseDecreaseForPeriodNet_be1751cd-f8bf-4418-a0a9-06a0e4e68fd9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromDebtNetOfIssuanceCosts_42922294-2008-4962-bebc-0013f24ea95c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromDebtNetOfIssuanceCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentIncreaseDecreaseNetAbstract_d1a16aa8-bbf9-469a-9026-bd49b16ee9df" xlink:to="loc_us-gaap_ProceedsFromDebtNetOfIssuanceCosts_42922294-2008-4962-bebc-0013f24ea95c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfDebt_f711ac0d-d99d-40c4-84a9-097ebf1bd6a7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RepaymentsOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentIncreaseDecreaseNetAbstract_d1a16aa8-bbf9-469a-9026-bd49b16ee9df" xlink:to="loc_us-gaap_RepaymentsOfDebt_f711ac0d-d99d-40c4-84a9-097ebf1bd6a7" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_IncreaseDecreaseinCashFromCertainDebtActivitiesNet_dc4f7929-2286-4b94-bf9d-f78dabf9416b" xlink:href="mu-20230601.xsd#mu_IncreaseDecreaseinCashFromCertainDebtActivitiesNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentIncreaseDecreaseNetAbstract_d1a16aa8-bbf9-469a-9026-bd49b16ee9df" xlink:to="loc_mu_IncreaseDecreaseinCashFromCertainDebtActivitiesNet_dc4f7929-2286-4b94-bf9d-f78dabf9416b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermLoansPayableAbstract_027b8eb8-6fce-4288-aba7-e4a06ed74533" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermLoansPayableAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_f4cab513-ed88-4520-b549-c1061b33c16e" xlink:to="loc_us-gaap_LongTermLoansPayableAbstract_027b8eb8-6fce-4288-aba7-e4a06ed74533" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_e04d5158-1dd6-40aa-8f84-a06b6da75a8c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermLoansPayableAbstract_027b8eb8-6fce-4288-aba7-e4a06ed74533" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_e04d5158-1dd6-40aa-8f84-a06b6da75a8c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsGross_4db58988-005c-455a-9c6d-8e0681071aec" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredFinanceCostsGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermLoansPayableAbstract_027b8eb8-6fce-4288-aba7-e4a06ed74533" xlink:to="loc_us-gaap_DeferredFinanceCostsGross_4db58988-005c-455a-9c6d-8e0681071aec" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_DebtInstrumentPeriodicPaymentPercentageOfOriginalPrincipal_95350360-f6f3-4eee-ae95-8b89786653b5" xlink:href="mu-20230601.xsd#mu_DebtInstrumentPeriodicPaymentPercentageOfOriginalPrincipal"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermLoansPayableAbstract_027b8eb8-6fce-4288-aba7-e4a06ed74533" xlink:to="loc_mu_DebtInstrumentPeriodicPaymentPercentageOfOriginalPrincipal_95350360-f6f3-4eee-ae95-8b89786653b5" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_b3a861db-9d84-4602-967f-db9f95f2ba00" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermLoansPayableAbstract_027b8eb8-6fce-4288-aba7-e4a06ed74533" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_b3a861db-9d84-4602-967f-db9f95f2ba00" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_DebtInstrumentCovenantRatioOfTotalDebtToAdjustedEBITDA_c349b921-4cc3-467e-aed6-cc04fed6175d" xlink:href="mu-20230601.xsd#mu_DebtInstrumentCovenantRatioOfTotalDebtToAdjustedEBITDA"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermLoansPayableAbstract_027b8eb8-6fce-4288-aba7-e4a06ed74533" xlink:to="loc_mu_DebtInstrumentCovenantRatioOfTotalDebtToAdjustedEBITDA_c349b921-4cc3-467e-aed6-cc04fed6175d" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_DebtInstrumentCovenantRatioOfNetDebtToAdjustedEBITDA_6b22c28b-258d-4691-b3a4-3e55d47430c5" xlink:href="mu-20230601.xsd#mu_DebtInstrumentCovenantRatioOfNetDebtToAdjustedEBITDA"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermLoansPayableAbstract_027b8eb8-6fce-4288-aba7-e4a06ed74533" xlink:to="loc_mu_DebtInstrumentCovenantRatioOfNetDebtToAdjustedEBITDA_6b22c28b-258d-4691-b3a4-3e55d47430c5" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_DebtInstrumentCovenantMinimumLiquidity_2b92fb0a-de46-4522-85d2-3e9a8f7d0af2" xlink:href="mu-20230601.xsd#mu_DebtInstrumentCovenantMinimumLiquidity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermLoansPayableAbstract_027b8eb8-6fce-4288-aba7-e4a06ed74533" xlink:to="loc_mu_DebtInstrumentCovenantMinimumLiquidity_2b92fb0a-de46-4522-85d2-3e9a8f7d0af2" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_DebtInstrumentCovenantRatioOfTotalDebtToAdjustedEBITDATemporaryIncrease_286fe5df-3f87-4efb-9deb-d099412ca0bf" xlink:href="mu-20230601.xsd#mu_DebtInstrumentCovenantRatioOfTotalDebtToAdjustedEBITDATemporaryIncrease"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermLoansPayableAbstract_027b8eb8-6fce-4288-aba7-e4a06ed74533" xlink:to="loc_mu_DebtInstrumentCovenantRatioOfTotalDebtToAdjustedEBITDATemporaryIncrease_286fe5df-3f87-4efb-9deb-d099412ca0bf" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLongtermDebtCurrentAndNoncurrentAbstract_0d81781e-9270-4256-bd9b-fa833f6dba36" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherLongtermDebtCurrentAndNoncurrentAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_f4cab513-ed88-4520-b549-c1061b33c16e" xlink:to="loc_us-gaap_OtherLongtermDebtCurrentAndNoncurrentAbstract_0d81781e-9270-4256-bd9b-fa833f6dba36" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_97e6faa9-4251-4a9c-99ad-f1c1d6b9e835" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_01191fe1-4d56-45c5-afc5-5f5a55d95336" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherLongtermDebtCurrentAndNoncurrentAbstract_0d81781e-9270-4256-bd9b-fa833f6dba36" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_01191fe1-4d56-45c5-afc5-5f5a55d95336" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedPremium_7a0df961-72aa-4db6-8a82-2fd28f13ca08" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentUnamortizedPremium"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherLongtermDebtCurrentAndNoncurrentAbstract_0d81781e-9270-4256-bd9b-fa833f6dba36" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedPremium_7a0df961-72aa-4db6-8a82-2fd28f13ca08" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsGross_8e5fe17f-131e-458b-b52b-38c0b88e0f16" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredFinanceCostsGross"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPricePercentage_ed0f88e0-cf4d-49a0-8c61-4940eace1960" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentRedemptionPricePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherLongtermDebtCurrentAndNoncurrentAbstract_0d81781e-9270-4256-bd9b-fa833f6dba36" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPricePercentage_ed0f88e0-cf4d-49a0-8c61-4940eace1960" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_DebtInstrumentCovenantDomesticRestrictedSubsidiariesOwnershipPercentageByParent_b1a3807e-fca4-4af2-974c-3015334367ac" xlink:href="mu-20230601.xsd#mu_DebtInstrumentCovenantDomesticRestrictedSubsidiariesOwnershipPercentageByParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherLongtermDebtCurrentAndNoncurrentAbstract_0d81781e-9270-4256-bd9b-fa833f6dba36" xlink:to="loc_mu_DebtInstrumentCovenantDomesticRestrictedSubsidiariesOwnershipPercentageByParent_b1a3807e-fca4-4af2-974c-3015334367ac" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_DebtInstrumentRedemptionPricePercentageChangeInControlEvent_c381853e-51d7-453e-bf8b-279dc750ec67" xlink:href="mu-20230601.xsd#mu_DebtInstrumentRedemptionPricePercentageChangeInControlEvent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherLongtermDebtCurrentAndNoncurrentAbstract_0d81781e-9270-4256-bd9b-fa833f6dba36" xlink:to="loc_mu_DebtInstrumentRedemptionPricePercentageChangeInControlEvent_c381853e-51d7-453e-bf8b-279dc750ec67" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityAbstract_2d3696e8-5956-4d70-ad08-7fc5a1f1978c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LineOfCreditFacilityAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_f4cab513-ed88-4520-b549-c1061b33c16e" xlink:to="loc_us-gaap_LineOfCreditFacilityAbstract_2d3696e8-5956-4d70-ad08-7fc5a1f1978c" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnusedBorrowingCapacityAmount_8e13c2d1-08b3-48ef-a062-786dca949429" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentUnusedBorrowingCapacityAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityAbstract_2d3696e8-5956-4d70-ad08-7fc5a1f1978c" xlink:to="loc_us-gaap_DebtInstrumentUnusedBorrowingCapacityAmount_8e13c2d1-08b3-48ef-a062-786dca949429" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_cf34a69c-401f-4fd4-ac15-aa7a2e438fdb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtByMaturityAbstract_616207c5-4610-4dcf-8be7-3b540f88bb3c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtByMaturityAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_f4cab513-ed88-4520-b549-c1061b33c16e" xlink:to="loc_us-gaap_LongTermDebtByMaturityAbstract_616207c5-4610-4dcf-8be7-3b540f88bb3c" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_8c072402-9af2-4532-806e-2f90cc08b589" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtByMaturityAbstract_616207c5-4610-4dcf-8be7-3b540f88bb3c" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_8c072402-9af2-4532-806e-2f90cc08b589" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_4a829802-050e-48e2-b70f-2ad3491b4ec6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtByMaturityAbstract_616207c5-4610-4dcf-8be7-3b540f88bb3c" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_4a829802-050e-48e2-b70f-2ad3491b4ec6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_a15711c7-f8c6-49fb-a6dd-57a934e0c2ae" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtByMaturityAbstract_616207c5-4610-4dcf-8be7-3b540f88bb3c" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_a15711c7-f8c6-49fb-a6dd-57a934e0c2ae" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_0b80c57d-5e8d-49c8-937d-9e9cf77d67fe" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtByMaturityAbstract_616207c5-4610-4dcf-8be7-3b540f88bb3c" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_0b80c57d-5e8d-49c8-937d-9e9cf77d67fe" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_f712381f-133d-4275-b425-4a578ced6d00" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtByMaturityAbstract_616207c5-4610-4dcf-8be7-3b540f88bb3c" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_f712381f-133d-4275-b425-4a578ced6d00" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour_c74e981e-657a-43fc-b6db-0db1a5228f3a" xlink:href="mu-20230601.xsd#mu_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtByMaturityAbstract_616207c5-4610-4dcf-8be7-3b540f88bb3c" xlink:to="loc_mu_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFour_c74e981e-657a-43fc-b6db-0db1a5228f3a" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet_1407cf11-e176-4c21-b40c-a378c144ee1a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease_593c2a4c-ea71-4b4b-84fc-6909ffdf969d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermDebtByMaturityAbstract_616207c5-4610-4dcf-8be7-3b540f88bb3c" xlink:to="loc_us-gaap_HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease_593c2a4c-ea71-4b4b-84fc-6909ffdf969d" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_d4b8f91b-5927-4349-9d90-19a2e48c9083" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermDebt"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_97f14c1c-cf2d-41f0-be17-32bf37bfd14c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_f4cab513-ed88-4520-b549-c1061b33c16e" xlink:to="loc_us-gaap_DebtInstrumentTable_97f14c1c-cf2d-41f0-be17-32bf37bfd14c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_afd8ad46-2326-45a2-a6b0-35342e60e384" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_97f14c1c-cf2d-41f0-be17-32bf37bfd14c" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_afd8ad46-2326-45a2-a6b0-35342e60e384" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_afd8ad46-2326-45a2-a6b0-35342e60e384_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_afd8ad46-2326-45a2-a6b0-35342e60e384" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_afd8ad46-2326-45a2-a6b0-35342e60e384_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_d408786f-ac19-4fc8-b1a8-d30cee4dc6a7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_afd8ad46-2326-45a2-a6b0-35342e60e384" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_d408786f-ac19-4fc8-b1a8-d30cee4dc6a7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesPayableToBanksMember_5396f24b-db7e-49ff-b386-ef43c36c2a09" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NotesPayableToBanksMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_d408786f-ac19-4fc8-b1a8-d30cee4dc6a7" xlink:to="loc_us-gaap_NotesPayableToBanksMember_5396f24b-db7e-49ff-b386-ef43c36c2a09" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_0cbdddc1-c6f0-47d6-b3f1-a052a35de551" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CorporateDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_d408786f-ac19-4fc8-b1a8-d30cee4dc6a7" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_0cbdddc1-c6f0-47d6-b3f1-a052a35de551" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_8217d541-ddaa-4de8-8981-89a78454d536" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_d408786f-ac19-4fc8-b1a8-d30cee4dc6a7" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_8217d541-ddaa-4de8-8981-89a78454d536" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_dba2f246-cf71-48db-9517-38f68e5184cb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_97f14c1c-cf2d-41f0-be17-32bf37bfd14c" xlink:to="loc_us-gaap_DebtInstrumentAxis_dba2f246-cf71-48db-9517-38f68e5184cb" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_dba2f246-cf71-48db-9517-38f68e5184cb_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_dba2f246-cf71-48db-9517-38f68e5184cb" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_dba2f246-cf71-48db-9517-38f68e5184cb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_d392635b-c396-476e-a369-b1c9c1f62ff0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_dba2f246-cf71-48db-9517-38f68e5184cb" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_d392635b-c396-476e-a369-b1c9c1f62ff0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_A2024TermLoanAMember_8a30f215-f6e4-4a89-b2f4-095e9183e759" xlink:href="mu-20230601.xsd#mu_A2024TermLoanAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d392635b-c396-476e-a369-b1c9c1f62ff0" xlink:to="loc_mu_A2024TermLoanAMember_8a30f215-f6e4-4a89-b2f4-095e9183e759" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_A202520262027TermLoansMember_1f4d5f25-1600-493d-8d87-53ef39a9d5e4" xlink:href="mu-20230601.xsd#mu_A202520262027TermLoansMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d392635b-c396-476e-a369-b1c9c1f62ff0" xlink:to="loc_mu_A202520262027TermLoansMember_1f4d5f25-1600-493d-8d87-53ef39a9d5e4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_A2025TermLoanAMember_80fc7b1e-1ef7-4976-a461-eb3886f510e6" xlink:href="mu-20230601.xsd#mu_A2025TermLoanAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mu_A202520262027TermLoansMember_1f4d5f25-1600-493d-8d87-53ef39a9d5e4" xlink:to="loc_mu_A2025TermLoanAMember_80fc7b1e-1ef7-4976-a461-eb3886f510e6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_A2026TermLoanAMember_4eea02b2-b326-4a35-8974-2389ec4fbfed" xlink:href="mu-20230601.xsd#mu_A2026TermLoanAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mu_A202520262027TermLoansMember_1f4d5f25-1600-493d-8d87-53ef39a9d5e4" xlink:to="loc_mu_A2026TermLoanAMember_4eea02b2-b326-4a35-8974-2389ec4fbfed" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_A2027TermLoanAMember_cbbab2f3-d344-43de-a5cf-44995f0d95ee" xlink:href="mu-20230601.xsd#mu_A2027TermLoanAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mu_A202520262027TermLoansMember_1f4d5f25-1600-493d-8d87-53ef39a9d5e4" xlink:to="loc_mu_A2027TermLoanAMember_cbbab2f3-d344-43de-a5cf-44995f0d95ee" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_UnsecuredSeniorCorporateDebtDue2026_2Member_72190ba5-3a6b-4edc-a5e0-ea80ff727545" xlink:href="mu-20230601.xsd#mu_UnsecuredSeniorCorporateDebtDue2026_2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d392635b-c396-476e-a369-b1c9c1f62ff0" xlink:to="loc_mu_UnsecuredSeniorCorporateDebtDue2026_2Member_72190ba5-3a6b-4edc-a5e0-ea80ff727545" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_UnsecuredSeniorCorporateDebtDue2027Member_fb9f936d-3228-45a6-815c-a4d9daaf2b19" xlink:href="mu-20230601.xsd#mu_UnsecuredSeniorCorporateDebtDue2027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d392635b-c396-476e-a369-b1c9c1f62ff0" xlink:to="loc_mu_UnsecuredSeniorCorporateDebtDue2027Member_fb9f936d-3228-45a6-815c-a4d9daaf2b19" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_UnsecuredSeniorCorporateDebtDueApril2028Member_77ff39ff-246d-4a1f-afba-ab53a7c80eaa" xlink:href="mu-20230601.xsd#mu_UnsecuredSeniorCorporateDebtDueApril2028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d392635b-c396-476e-a369-b1c9c1f62ff0" xlink:to="loc_mu_UnsecuredSeniorCorporateDebtDueApril2028Member_77ff39ff-246d-4a1f-afba-ab53a7c80eaa" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_UnsecuredSeniorCorporateDebtDue2029Member_9e12dddb-9767-4ce8-9c9d-77a95cf11f30" xlink:href="mu-20230601.xsd#mu_UnsecuredSeniorCorporateDebtDue2029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d392635b-c396-476e-a369-b1c9c1f62ff0" xlink:to="loc_mu_UnsecuredSeniorCorporateDebtDue2029Member_9e12dddb-9767-4ce8-9c9d-77a95cf11f30" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_UnsecuredSeniorCorporateDebtDueNov2029Member_b9e44a95-5d47-4e9a-bfaa-190c81f28431" xlink:href="mu-20230601.xsd#mu_UnsecuredSeniorCorporateDebtDueNov2029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d392635b-c396-476e-a369-b1c9c1f62ff0" xlink:to="loc_mu_UnsecuredSeniorCorporateDebtDueNov2029Member_b9e44a95-5d47-4e9a-bfaa-190c81f28431" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_UnsecuredSeniorCorporateDebtDue2030Member_c0655858-9f5f-4934-84f6-69dced81f0f8" xlink:href="mu-20230601.xsd#mu_UnsecuredSeniorCorporateDebtDue2030Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d392635b-c396-476e-a369-b1c9c1f62ff0" xlink:to="loc_mu_UnsecuredSeniorCorporateDebtDue2030Member_c0655858-9f5f-4934-84f6-69dced81f0f8" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_UnsecuredSeniorCorporateGreenBondDue2032Member_d47cfca7-836a-4e2c-b7e8-0d58beb50451" xlink:href="mu-20230601.xsd#mu_UnsecuredSeniorCorporateGreenBondDue2032Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d392635b-c396-476e-a369-b1c9c1f62ff0" xlink:to="loc_mu_UnsecuredSeniorCorporateGreenBondDue2032Member_d47cfca7-836a-4e2c-b7e8-0d58beb50451" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_UnsecuredSeniorCorporateDebtDueFeb2033Member_617a0139-7e1b-4962-9d61-0515f5596069" xlink:href="mu-20230601.xsd#mu_UnsecuredSeniorCorporateDebtDueFeb2033Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d392635b-c396-476e-a369-b1c9c1f62ff0" xlink:to="loc_mu_UnsecuredSeniorCorporateDebtDueFeb2033Member_617a0139-7e1b-4962-9d61-0515f5596069" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_UnsecuredSeniorCorporateDebtDueSeptember2033Member_4c7d6fcb-0f6a-4607-83c9-3e171e0f2c30" xlink:href="mu-20230601.xsd#mu_UnsecuredSeniorCorporateDebtDueSeptember2033Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d392635b-c396-476e-a369-b1c9c1f62ff0" xlink:to="loc_mu_UnsecuredSeniorCorporateDebtDueSeptember2033Member_4c7d6fcb-0f6a-4607-83c9-3e171e0f2c30" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_UnsecuredSeniorCorporateDebtDue2041Member_792e1b70-f1c0-447d-b252-1d6826666eb1" xlink:href="mu-20230601.xsd#mu_UnsecuredSeniorCorporateDebtDue2041Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d392635b-c396-476e-a369-b1c9c1f62ff0" xlink:to="loc_mu_UnsecuredSeniorCorporateDebtDue2041Member_792e1b70-f1c0-447d-b252-1d6826666eb1" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_UnsecuredSeniorCorporateDebtDue2051Member_cefffe58-aa46-4b8b-8a10-27a7ce253e85" xlink:href="mu-20230601.xsd#mu_UnsecuredSeniorCorporateDebtDue2051Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d392635b-c396-476e-a369-b1c9c1f62ff0" xlink:to="loc_mu_UnsecuredSeniorCorporateDebtDue2051Member_cefffe58-aa46-4b8b-8a10-27a7ce253e85" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_A2026RevolvingCreditFacilityMember_4255ff15-13ed-480f-ab4e-61feb438f360" xlink:href="mu-20230601.xsd#mu_A2026RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d392635b-c396-476e-a369-b1c9c1f62ff0" xlink:to="loc_mu_A2026RevolvingCreditFacilityMember_4255ff15-13ed-480f-ab4e-61feb438f360" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_bbe60c3e-6486-422d-8571-11dde6ce44f8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VariableRateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_97f14c1c-cf2d-41f0-be17-32bf37bfd14c" xlink:to="loc_us-gaap_VariableRateAxis_bbe60c3e-6486-422d-8571-11dde6ce44f8" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_bbe60c3e-6486-422d-8571-11dde6ce44f8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_bbe60c3e-6486-422d-8571-11dde6ce44f8" xlink:to="loc_us-gaap_VariableRateDomain_bbe60c3e-6486-422d-8571-11dde6ce44f8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_78e5b37b-414b-4b2d-a4b8-7c12aae1dae4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_bbe60c3e-6486-422d-8571-11dde6ce44f8" xlink:to="loc_us-gaap_VariableRateDomain_78e5b37b-414b-4b2d-a4b8-7c12aae1dae4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember_f546bd12-2c31-4efd-8a8c-21bf01cbd317" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_78e5b37b-414b-4b2d-a4b8-7c12aae1dae4" xlink:to="loc_us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember_f546bd12-2c31-4efd-8a8c-21bf01cbd317" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_AdjustedTermSecuredOvernightFinancingRateSOFRMember_d9eb0a96-3c8a-4942-8440-96ea4861bb29" xlink:href="mu-20230601.xsd#mu_AdjustedTermSecuredOvernightFinancingRateSOFRMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_78e5b37b-414b-4b2d-a4b8-7c12aae1dae4" xlink:to="loc_mu_AdjustedTermSecuredOvernightFinancingRateSOFRMember_d9eb0a96-3c8a-4942-8440-96ea4861bb29" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_26a7d53c-823f-4749-aa49-cf69f2e18e3a" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_97f14c1c-cf2d-41f0-be17-32bf37bfd14c" xlink:to="loc_srt_RangeAxis_26a7d53c-823f-4749-aa49-cf69f2e18e3a" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_26a7d53c-823f-4749-aa49-cf69f2e18e3a_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_26a7d53c-823f-4749-aa49-cf69f2e18e3a" xlink:to="loc_srt_RangeMember_26a7d53c-823f-4749-aa49-cf69f2e18e3a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_b5c0bf95-8923-4a5d-86ac-8a696d8503c9" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_26a7d53c-823f-4749-aa49-cf69f2e18e3a" xlink:to="loc_srt_RangeMember_b5c0bf95-8923-4a5d-86ac-8a696d8503c9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_42028068-aaf2-492a-89d0-f16bef7ff591" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_b5c0bf95-8923-4a5d-86ac-8a696d8503c9" xlink:to="loc_srt_MinimumMember_42028068-aaf2-492a-89d0-f16bef7ff591" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_4a53aaca-b66b-4971-8787-df6d4d2fbb13" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_b5c0bf95-8923-4a5d-86ac-8a696d8503c9" xlink:to="loc_srt_MaximumMember_4a53aaca-b66b-4971-8787-df6d4d2fbb13" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_39d8d251-d198-4853-b6f9-d01e033da24e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_97f14c1c-cf2d-41f0-be17-32bf37bfd14c" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_39d8d251-d198-4853-b6f9-d01e033da24e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_39d8d251-d198-4853-b6f9-d01e033da24e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_39d8d251-d198-4853-b6f9-d01e033da24e" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_39d8d251-d198-4853-b6f9-d01e033da24e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_52e0b671-cf31-4b86-a527-4714ca68f573" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_39d8d251-d198-4853-b6f9-d01e033da24e" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_52e0b671-cf31-4b86-a527-4714ca68f573" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateSwapMember_fd32b09f-00b1-4627-9d3b-f08d67a44bcd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InterestRateSwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_52e0b671-cf31-4b86-a527-4714ca68f573" xlink:to="loc_us-gaap_InterestRateSwapMember_fd32b09f-00b1-4627-9d3b-f08d67a44bcd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_c8815344-c6e4-48d1-b859-210b111d1063" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_97f14c1c-cf2d-41f0-be17-32bf37bfd14c" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_c8815344-c6e4-48d1-b859-210b111d1063" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_c8815344-c6e4-48d1-b859-210b111d1063_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_c8815344-c6e4-48d1-b859-210b111d1063" xlink:to="loc_us-gaap_HedgingRelationshipDomain_c8815344-c6e4-48d1-b859-210b111d1063_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_fa3a004d-65fd-47df-b353-16f5336c731a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_c8815344-c6e4-48d1-b859-210b111d1063" xlink:to="loc_us-gaap_HedgingRelationshipDomain_fa3a004d-65fd-47df-b353-16f5336c731a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueHedgingMember_503e0263-4c55-4446-bcbb-f878995e11b3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueHedgingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_fa3a004d-65fd-47df-b353-16f5336c731a" xlink:to="loc_us-gaap_FairValueHedgingMember_503e0263-4c55-4446-bcbb-f878995e11b3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_a6dfe9f3-2796-40f1-b20d-8ce11a58447a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_97f14c1c-cf2d-41f0-be17-32bf37bfd14c" xlink:to="loc_us-gaap_HedgingDesignationAxis_a6dfe9f3-2796-40f1-b20d-8ce11a58447a" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_a6dfe9f3-2796-40f1-b20d-8ce11a58447a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_a6dfe9f3-2796-40f1-b20d-8ce11a58447a" xlink:to="loc_us-gaap_HedgingDesignationDomain_a6dfe9f3-2796-40f1-b20d-8ce11a58447a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_86111274-d92d-4bad-932d-48ca31a3d75d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_a6dfe9f3-2796-40f1-b20d-8ce11a58447a" xlink:to="loc_us-gaap_HedgingDesignationDomain_86111274-d92d-4bad-932d-48ca31a3d75d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_6d980c35-b000-4b24-8238-44c4b0608550" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DesignatedAsHedgingInstrumentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_86111274-d92d-4bad-932d-48ca31a3d75d" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_6d980c35-b000-4b24-8238-44c4b0608550" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_c272b5ab-0e19-4031-86f2-d0fda4cd7554" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_97f14c1c-cf2d-41f0-be17-32bf37bfd14c" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_c272b5ab-0e19-4031-86f2-d0fda4cd7554" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_c272b5ab-0e19-4031-86f2-d0fda4cd7554_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_c272b5ab-0e19-4031-86f2-d0fda4cd7554" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_c272b5ab-0e19-4031-86f2-d0fda4cd7554_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_47ad9a20-2a8c-441d-97b3-cef62dfabaee" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_c272b5ab-0e19-4031-86f2-d0fda4cd7554" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_47ad9a20-2a8c-441d-97b3-cef62dfabaee" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_da936cdc-4219-4c8c-8504-84553aeb921e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_47ad9a20-2a8c-441d-97b3-cef62dfabaee" xlink:to="loc_us-gaap_SubsequentEventMember_da936cdc-4219-4c8c-8504-84553aeb921e" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.micron.com/role/CommitmentsDetails" xlink:type="simple" xlink:href="mu-20230601.xsd#CommitmentsDetails"/>
  <link:definitionLink xlink:role="http://www.micron.com/role/CommitmentsDetails" xlink:type="extended" id="i772824abb3ae4f0286dbaaefba7ab2bf_CommitmentsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermPurchaseCommitmentLineItems_212237ee-64b0-49e4-9c6f-09550db4d8fd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermPurchaseCommitmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermPurchaseCommitmentPeriod_e0ae750d-3967-4009-be2f-b3ce04eb4a1c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongtermPurchaseCommitmentPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermPurchaseCommitmentLineItems_212237ee-64b0-49e4-9c6f-09550db4d8fd" xlink:to="loc_us-gaap_LongtermPurchaseCommitmentPeriod_e0ae750d-3967-4009-be2f-b3ce04eb4a1c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermPurchaseCommitmentTable_b7146231-8ba0-496b-b671-e6d9fe60942f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermPurchaseCommitmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LongTermPurchaseCommitmentLineItems_212237ee-64b0-49e4-9c6f-09550db4d8fd" xlink:to="loc_us-gaap_LongTermPurchaseCommitmentTable_b7146231-8ba0-496b-b671-e6d9fe60942f" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis_e7ed2f3f-c080-418c-9472-446c3bac7b5d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LongTermPurchaseCommitmentTable_b7146231-8ba0-496b-b671-e6d9fe60942f" xlink:to="loc_us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis_e7ed2f3f-c080-418c-9472-446c3bac7b5d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain_e7ed2f3f-c080-418c-9472-446c3bac7b5d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis_e7ed2f3f-c080-418c-9472-446c3bac7b5d" xlink:to="loc_us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain_e7ed2f3f-c080-418c-9472-446c3bac7b5d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain_69ae2673-6447-4f4e-9ee5-842fdf53f9a2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongTermPurchaseCommitmentByCategoryOfItemPurchasedAxis_e7ed2f3f-c080-418c-9472-446c3bac7b5d" xlink:to="loc_us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain_69ae2673-6447-4f4e-9ee5-842fdf53f9a2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_PowerPurchaseAgreementMember_57442fe0-6089-4a8b-a0f8-77216d2b8e0f" xlink:href="mu-20230601.xsd#mu_PowerPurchaseAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongTermPurchaseCommitmentCategoryOfItemPurchasedDomain_69ae2673-6447-4f4e-9ee5-842fdf53f9a2" xlink:to="loc_mu_PowerPurchaseAgreementMember_57442fe0-6089-4a8b-a0f8-77216d2b8e0f" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.micron.com/role/ContingenciesDetails" xlink:type="simple" xlink:href="mu-20230601.xsd#ContingenciesDetails"/>
  <link:definitionLink xlink:role="http://www.micron.com/role/ContingenciesDetails" xlink:type="extended" id="i3308f28ae8484e4bb9a5635b8a22c233_ContingenciesDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesLineItems_100e87bf-c376-46c7-b6f6-e73c7c639bbb" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LossContingenciesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyPatentsAllegedlyInfringedNumber_449fe6e3-806c-41e7-9076-58cba1de854f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LossContingencyPatentsAllegedlyInfringedNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_100e87bf-c376-46c7-b6f6-e73c7c639bbb" xlink:to="loc_us-gaap_LossContingencyPatentsAllegedlyInfringedNumber_449fe6e3-806c-41e7-9076-58cba1de854f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyPatentsFoundNotInfringedNumber_5fa364bb-c783-4e1e-a1ea-a42d7581cdbe" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LossContingencyPatentsFoundNotInfringedNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_100e87bf-c376-46c7-b6f6-e73c7c639bbb" xlink:to="loc_us-gaap_LossContingencyPatentsFoundNotInfringedNumber_5fa364bb-c783-4e1e-a1ea-a42d7581cdbe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyDamagesSoughtValue_a0c441f5-2ace-4386-9c8d-41c4b08337ed" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LossContingencyDamagesSoughtValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_100e87bf-c376-46c7-b6f6-e73c7c639bbb" xlink:to="loc_us-gaap_LossContingencyDamagesSoughtValue_a0c441f5-2ace-4386-9c8d-41c4b08337ed" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyPendingClaimsNumber_6afeec83-0406-4294-8663-f4d695d12074" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LossContingencyPendingClaimsNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_100e87bf-c376-46c7-b6f6-e73c7c639bbb" xlink:to="loc_us-gaap_LossContingencyPendingClaimsNumber_6afeec83-0406-4294-8663-f4d695d12074" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_SubsidiaryOrEquityMethodInvestmentPercentageOfTotalSharesSubjectToLitigation_9cc32817-2ee7-42ce-a46d-444c45f4cfcf" xlink:href="mu-20230601.xsd#mu_SubsidiaryOrEquityMethodInvestmentPercentageOfTotalSharesSubjectToLitigation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_100e87bf-c376-46c7-b6f6-e73c7c639bbb" xlink:to="loc_mu_SubsidiaryOrEquityMethodInvestmentPercentageOfTotalSharesSubjectToLitigation_9cc32817-2ee7-42ce-a46d-444c45f4cfcf" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_LossContingencyJudgmentUnderAppeal_5a1af0ce-0562-475c-92cc-196ce5d6614b" xlink:href="mu-20230601.xsd#mu_LossContingencyJudgmentUnderAppeal"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_100e87bf-c376-46c7-b6f6-e73c7c639bbb" xlink:to="loc_mu_LossContingencyJudgmentUnderAppeal_5a1af0ce-0562-475c-92cc-196ce5d6614b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesTable_5311c7bd-3806-49fd-a4c1-e3355775227d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LossContingenciesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LossContingenciesLineItems_100e87bf-c376-46c7-b6f6-e73c7c639bbb" xlink:to="loc_us-gaap_LossContingenciesTable_5311c7bd-3806-49fd-a4c1-e3355775227d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseAxis_07bd3818-2132-479d-8d07-17f7a382aec5" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_LitigationCaseAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_5311c7bd-3806-49fd-a4c1-e3355775227d" xlink:to="loc_srt_LitigationCaseAxis_07bd3818-2132-479d-8d07-17f7a382aec5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseTypeDomain_07bd3818-2132-479d-8d07-17f7a382aec5_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_LitigationCaseTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_LitigationCaseAxis_07bd3818-2132-479d-8d07-17f7a382aec5" xlink:to="loc_srt_LitigationCaseTypeDomain_07bd3818-2132-479d-8d07-17f7a382aec5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseTypeDomain_c6136c80-57a4-4677-8f27-a20e4cb98240" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_LitigationCaseTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_LitigationCaseAxis_07bd3818-2132-479d-8d07-17f7a382aec5" xlink:to="loc_srt_LitigationCaseTypeDomain_c6136c80-57a4-4677-8f27-a20e4cb98240" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_FujianJinhuaIntegratedCircuitCo.Ltd.Member_3b0a9e9b-280c-4532-8c7b-a9910f201c64" xlink:href="mu-20230601.xsd#mu_FujianJinhuaIntegratedCircuitCo.Ltd.Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_c6136c80-57a4-4677-8f27-a20e4cb98240" xlink:to="loc_mu_FujianJinhuaIntegratedCircuitCo.Ltd.Member_3b0a9e9b-280c-4532-8c7b-a9910f201c64" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_UnitedMicroelectronicsCorporationMember_11133261-9e48-4a11-b57c-5ac72d5e9b58" xlink:href="mu-20230601.xsd#mu_UnitedMicroelectronicsCorporationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_c6136c80-57a4-4677-8f27-a20e4cb98240" xlink:to="loc_mu_UnitedMicroelectronicsCorporationMember_11133261-9e48-4a11-b57c-5ac72d5e9b58" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_UnitedMicroelectronicsCorporationComplaint2Member_74b90b1d-6ab8-4e48-adf6-1c7bc5571590" xlink:href="mu-20230601.xsd#mu_UnitedMicroelectronicsCorporationComplaint2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_c6136c80-57a4-4677-8f27-a20e4cb98240" xlink:to="loc_mu_UnitedMicroelectronicsCorporationComplaint2Member_74b90b1d-6ab8-4e48-adf6-1c7bc5571590" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_FujianJinhuaIntegratedCircuitCo.Ltd.Complaint2Member_d6ad98cb-43e6-430b-9969-6c3f719d01ae" xlink:href="mu-20230601.xsd#mu_FujianJinhuaIntegratedCircuitCo.Ltd.Complaint2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_c6136c80-57a4-4677-8f27-a20e4cb98240" xlink:to="loc_mu_FujianJinhuaIntegratedCircuitCo.Ltd.Complaint2Member_d6ad98cb-43e6-430b-9969-6c3f719d01ae" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_FlashControlLLCMember_3ebab9a7-3a26-4c1c-a570-5d10e11569db" xlink:href="mu-20230601.xsd#mu_FlashControlLLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_c6136c80-57a4-4677-8f27-a20e4cb98240" xlink:to="loc_mu_FlashControlLLCMember_3ebab9a7-3a26-4c1c-a570-5d10e11569db" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_NetlistIncComplaintMember_22e902e9-b596-4a63-abe5-e0436d322501" xlink:href="mu-20230601.xsd#mu_NetlistIncComplaintMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_c6136c80-57a4-4677-8f27-a20e4cb98240" xlink:to="loc_mu_NetlistIncComplaintMember_22e902e9-b596-4a63-abe5-e0436d322501" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_NetlistIncComplaint2Member_d83287d1-a2bd-4c09-a5ed-fa31eb4f7fa2" xlink:href="mu-20230601.xsd#mu_NetlistIncComplaint2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_c6136c80-57a4-4677-8f27-a20e4cb98240" xlink:to="loc_mu_NetlistIncComplaint2Member_d83287d1-a2bd-4c09-a5ed-fa31eb4f7fa2" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_NetlistIncComplaint3Member_a092cbf4-24b9-4950-b0e9-e3cd89926dbe" xlink:href="mu-20230601.xsd#mu_NetlistIncComplaint3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_c6136c80-57a4-4677-8f27-a20e4cb98240" xlink:to="loc_mu_NetlistIncComplaint3Member_a092cbf4-24b9-4950-b0e9-e3cd89926dbe" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_NetlistIncComplaint4Member_0e2517a4-acb9-4504-9d71-616fe79fc42a" xlink:href="mu-20230601.xsd#mu_NetlistIncComplaint4Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_c6136c80-57a4-4677-8f27-a20e4cb98240" xlink:to="loc_mu_NetlistIncComplaint4Member_0e2517a4-acb9-4504-9d71-616fe79fc42a" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_NetlistIncComplaint5Member_742ea476-da18-434c-8e3f-8acff3afb737" xlink:href="mu-20230601.xsd#mu_NetlistIncComplaint5Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_c6136c80-57a4-4677-8f27-a20e4cb98240" xlink:to="loc_mu_NetlistIncComplaint5Member_742ea476-da18-434c-8e3f-8acff3afb737" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_NetlistIncComplaint5AmendedMember_f1b08abb-65b5-45ae-a9d8-3660dbd6baaf" xlink:href="mu-20230601.xsd#mu_NetlistIncComplaint5AmendedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_c6136c80-57a4-4677-8f27-a20e4cb98240" xlink:to="loc_mu_NetlistIncComplaint5AmendedMember_f1b08abb-65b5-45ae-a9d8-3660dbd6baaf" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_VervainLLCComplaintMember_867a575d-21b7-4072-896e-8cb676319495" xlink:href="mu-20230601.xsd#mu_VervainLLCComplaintMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_c6136c80-57a4-4677-8f27-a20e4cb98240" xlink:to="loc_mu_VervainLLCComplaintMember_867a575d-21b7-4072-896e-8cb676319495" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_SonraiMemoryLtdMember_174216a7-ed4a-43fe-a3a7-201bdf88c059" xlink:href="mu-20230601.xsd#mu_SonraiMemoryLtdMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_c6136c80-57a4-4677-8f27-a20e4cb98240" xlink:to="loc_mu_SonraiMemoryLtdMember_174216a7-ed4a-43fe-a3a7-201bdf88c059" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_BesangIncMember_fb48f6cf-54a5-48a6-8390-5bacaededf3c" xlink:href="mu-20230601.xsd#mu_BesangIncMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_c6136c80-57a4-4677-8f27-a20e4cb98240" xlink:to="loc_mu_BesangIncMember_fb48f6cf-54a5-48a6-8390-5bacaededf3c" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_QimondaAgInoteraSharePurchaseProceedingsMember_9c4370e0-583b-49c0-8d1f-548769200a8a" xlink:href="mu-20230601.xsd#mu_QimondaAgInoteraSharePurchaseProceedingsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_c6136c80-57a4-4677-8f27-a20e4cb98240" xlink:to="loc_mu_QimondaAgInoteraSharePurchaseProceedingsMember_9c4370e0-583b-49c0-8d1f-548769200a8a" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_DRAMPurchasersCanadaMember_30d90cb2-ba54-4680-b000-f479ea70e9b8" xlink:href="mu-20230601.xsd#mu_DRAMPurchasersCanadaMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_c6136c80-57a4-4677-8f27-a20e4cb98240" xlink:to="loc_mu_DRAMPurchasersCanadaMember_30d90cb2-ba54-4680-b000-f479ea70e9b8" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_16ba312c-6881-4094-9fc0-b355d9e49e84" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_5311c7bd-3806-49fd-a4c1-e3355775227d" xlink:to="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_16ba312c-6881-4094-9fc0-b355d9e49e84" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyNatureDomain_16ba312c-6881-4094-9fc0-b355d9e49e84_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LossContingencyNatureDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_16ba312c-6881-4094-9fc0-b355d9e49e84" xlink:to="loc_us-gaap_LossContingencyNatureDomain_16ba312c-6881-4094-9fc0-b355d9e49e84_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyNatureDomain_e9187bcb-84ac-4024-96ad-02bc3a5a9f34" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LossContingencyNatureDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_16ba312c-6881-4094-9fc0-b355d9e49e84" xlink:to="loc_us-gaap_LossContingencyNatureDomain_e9187bcb-84ac-4024-96ad-02bc3a5a9f34" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_PatentMattersMember_7f6cd591-cde5-47cf-8ba6-9c9ce90ba678" xlink:href="mu-20230601.xsd#mu_PatentMattersMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingencyNatureDomain_e9187bcb-84ac-4024-96ad-02bc3a5a9f34" xlink:to="loc_mu_PatentMattersMember_7f6cd591-cde5-47cf-8ba6-9c9ce90ba678" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_AntitrustMattersMember_4ca74d5f-f4f6-42fd-8435-5028e0cd8ca8" xlink:href="mu-20230601.xsd#mu_AntitrustMattersMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingencyNatureDomain_e9187bcb-84ac-4024-96ad-02bc3a5a9f34" xlink:to="loc_mu_AntitrustMattersMember_4ca74d5f-f4f6-42fd-8435-5028e0cd8ca8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_SecuritiesMattersMember_76959606-a3a8-4de2-8a16-f28b6d443aba" xlink:href="mu-20230601.xsd#mu_SecuritiesMattersMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingencyNatureDomain_e9187bcb-84ac-4024-96ad-02bc3a5a9f34" xlink:to="loc_mu_SecuritiesMattersMember_76959606-a3a8-4de2-8a16-f28b6d443aba" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LitigationStatusAxis_0a1dc922-cbd8-4aae-b3c2-1388140e5e1d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LitigationStatusAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_5311c7bd-3806-49fd-a4c1-e3355775227d" xlink:to="loc_us-gaap_LitigationStatusAxis_0a1dc922-cbd8-4aae-b3c2-1388140e5e1d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LitigationStatusDomain_0a1dc922-cbd8-4aae-b3c2-1388140e5e1d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LitigationStatusDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LitigationStatusAxis_0a1dc922-cbd8-4aae-b3c2-1388140e5e1d" xlink:to="loc_us-gaap_LitigationStatusDomain_0a1dc922-cbd8-4aae-b3c2-1388140e5e1d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LitigationStatusDomain_bba48c50-afe9-4f2d-98ff-d39f05c2acd6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LitigationStatusDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LitigationStatusAxis_0a1dc922-cbd8-4aae-b3c2-1388140e5e1d" xlink:to="loc_us-gaap_LitigationStatusDomain_bba48c50-afe9-4f2d-98ff-d39f05c2acd6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PendingLitigationMember_89d79f84-6fe6-443d-a58a-7d6b8dbbdea4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PendingLitigationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LitigationStatusDomain_bba48c50-afe9-4f2d-98ff-d39f05c2acd6" xlink:to="loc_us-gaap_PendingLitigationMember_89d79f84-6fe6-443d-a58a-7d6b8dbbdea4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_WithdrawnLitigationMember_017de832-39c4-4d22-9d84-de589223f6f4" xlink:href="mu-20230601.xsd#mu_WithdrawnLitigationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LitigationStatusDomain_bba48c50-afe9-4f2d-98ff-d39f05c2acd6" xlink:to="loc_mu_WithdrawnLitigationMember_017de832-39c4-4d22-9d84-de589223f6f4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_DismissedLitigationMember_1d0e0bfd-5a8a-41a1-ac69-4b0d832f7012" xlink:href="mu-20230601.xsd#mu_DismissedLitigationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LitigationStatusDomain_bba48c50-afe9-4f2d-98ff-d39f05c2acd6" xlink:to="loc_mu_DismissedLitigationMember_1d0e0bfd-5a8a-41a1-ac69-4b0d832f7012" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.micron.com/role/EquityCommonStockRepurchasesandDividendsDetails" xlink:type="simple" xlink:href="mu-20230601.xsd#EquityCommonStockRepurchasesandDividendsDetails"/>
  <link:definitionLink xlink:role="http://www.micron.com/role/EquityCommonStockRepurchasesandDividendsDetails" xlink:type="extended" id="ida448e03df7f4fac97e0565abc3755cc_EquityCommonStockRepurchasesandDividendsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityClassOfTreasuryStockLineItems_9d5606ba-fb5e-44e8-878d-72fc5fd82c88" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquityClassOfTreasuryStockLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfEquityAbstract_d278fa2e-06a0-4109-82d6-f8fef08d3905" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsForRepurchaseOfEquityAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityClassOfTreasuryStockLineItems_9d5606ba-fb5e-44e8-878d-72fc5fd82c88" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfEquityAbstract_d278fa2e-06a0-4109-82d6-f8fef08d3905" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchaseProgramAuthorizedAmount1_4692fd73-58ec-4d8c-85c3-153e9504d6aa" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockRepurchaseProgramAuthorizedAmount1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PaymentsForRepurchaseOfEquityAbstract_d278fa2e-06a0-4109-82d6-f8fef08d3905" xlink:to="loc_us-gaap_StockRepurchaseProgramAuthorizedAmount1_4692fd73-58ec-4d8c-85c3-153e9504d6aa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockSharesAcquired_450a8b45-41fa-4fab-ab1e-aecf7575a69d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TreasuryStockSharesAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PaymentsForRepurchaseOfEquityAbstract_d278fa2e-06a0-4109-82d6-f8fef08d3905" xlink:to="loc_us-gaap_TreasuryStockSharesAcquired_450a8b45-41fa-4fab-ab1e-aecf7575a69d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_32454ec1-4442-44ca-9d51-3d7609e81178" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PaymentsForRepurchaseOfEquityAbstract_d278fa2e-06a0-4109-82d6-f8fef08d3905" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_32454ec1-4442-44ca-9d51-3d7609e81178" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsCommonStockAbstract_eb9c8388-5cd8-4e30-92d7-a1a6ff17bc35" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DividendsCommonStockAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityClassOfTreasuryStockLineItems_9d5606ba-fb5e-44e8-878d-72fc5fd82c88" xlink:to="loc_us-gaap_DividendsCommonStockAbstract_eb9c8388-5cd8-4e30-92d7-a1a6ff17bc35" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_255698ae-4881-4529-8e91-854e9143f1ca" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsOfDividendsCommonStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DividendsCommonStockAbstract_eb9c8388-5cd8-4e30-92d7-a1a6ff17bc35" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_255698ae-4881-4529-8e91-854e9143f1ca" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockDividendsPerShareCashPaid_0e7dea54-c3f2-4131-be9a-0aa15627852a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockDividendsPerShareCashPaid"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DividendsCommonStockAbstract_eb9c8388-5cd8-4e30-92d7-a1a6ff17bc35" xlink:to="loc_us-gaap_CommonStockDividendsPerShareCashPaid_0e7dea54-c3f2-4131-be9a-0aa15627852a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_4a2200a9-696c-4183-9789-5ea22a33ba38" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockDividendsPerShareDeclared"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DividendsCommonStockAbstract_eb9c8388-5cd8-4e30-92d7-a1a6ff17bc35" xlink:to="loc_us-gaap_CommonStockDividendsPerShareDeclared_4a2200a9-696c-4183-9789-5ea22a33ba38" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendPayableDateToBePaidDayMonthAndYear_d66391b7-71e9-4e29-b499-251f9b6e00f5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DividendPayableDateToBePaidDayMonthAndYear"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DividendsCommonStockAbstract_eb9c8388-5cd8-4e30-92d7-a1a6ff17bc35" xlink:to="loc_us-gaap_DividendPayableDateToBePaidDayMonthAndYear_d66391b7-71e9-4e29-b499-251f9b6e00f5" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsPayableDateOfRecordDayMonthAndYear_aa6861e6-2495-42fb-aa3d-47907c342904" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DividendsPayableDateOfRecordDayMonthAndYear"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DividendsCommonStockAbstract_eb9c8388-5cd8-4e30-92d7-a1a6ff17bc35" xlink:to="loc_us-gaap_DividendsPayableDateOfRecordDayMonthAndYear_aa6861e6-2495-42fb-aa3d-47907c342904" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfTreasuryStockTable_fc270051-a241-44d7-89cd-ed3fde7c9cc8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ClassOfTreasuryStockTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EquityClassOfTreasuryStockLineItems_9d5606ba-fb5e-44e8-878d-72fc5fd82c88" xlink:to="loc_us-gaap_ClassOfTreasuryStockTable_fc270051-a241-44d7-89cd-ed3fde7c9cc8" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareRepurchaseProgramAxis_fe71250a-31e3-4432-bac8-74b6fc37147a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareRepurchaseProgramAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ClassOfTreasuryStockTable_fc270051-a241-44d7-89cd-ed3fde7c9cc8" xlink:to="loc_us-gaap_ShareRepurchaseProgramAxis_fe71250a-31e3-4432-bac8-74b6fc37147a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareRepurchaseProgramDomain_fe71250a-31e3-4432-bac8-74b6fc37147a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareRepurchaseProgramDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ShareRepurchaseProgramAxis_fe71250a-31e3-4432-bac8-74b6fc37147a" xlink:to="loc_us-gaap_ShareRepurchaseProgramDomain_fe71250a-31e3-4432-bac8-74b6fc37147a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareRepurchaseProgramDomain_0e9a843f-d037-456b-842a-23f30b3317b2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareRepurchaseProgramDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ShareRepurchaseProgramAxis_fe71250a-31e3-4432-bac8-74b6fc37147a" xlink:to="loc_us-gaap_ShareRepurchaseProgramDomain_0e9a843f-d037-456b-842a-23f30b3317b2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_StockRepurchasesAuthorizedMay2018ByTheBoardOfDirectorsMember_da0a2ec8-bf7c-4ff9-84c0-d9782866a42b" xlink:href="mu-20230601.xsd#mu_StockRepurchasesAuthorizedMay2018ByTheBoardOfDirectorsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_0e9a843f-d037-456b-842a-23f30b3317b2" xlink:to="loc_mu_StockRepurchasesAuthorizedMay2018ByTheBoardOfDirectorsMember_da0a2ec8-bf7c-4ff9-84c0-d9782866a42b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_3a1c3866-1d6a-4fb0-99be-b9b9545b558f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ClassOfTreasuryStockTable_fc270051-a241-44d7-89cd-ed3fde7c9cc8" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_3a1c3866-1d6a-4fb0-99be-b9b9545b558f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_3a1c3866-1d6a-4fb0-99be-b9b9545b558f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_3a1c3866-1d6a-4fb0-99be-b9b9545b558f" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_3a1c3866-1d6a-4fb0-99be-b9b9545b558f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_d918a010-7d9b-4723-95b7-a3acb48e2d75" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_3a1c3866-1d6a-4fb0-99be-b9b9545b558f" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_d918a010-7d9b-4723-95b7-a3acb48e2d75" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_e9ee68f8-7e31-4f92-aa79-1a6a6678ee28" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SubsequentEventMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_d918a010-7d9b-4723-95b7-a3acb48e2d75" xlink:to="loc_us-gaap_SubsequentEventMember_e9ee68f8-7e31-4f92-aa79-1a6a6678ee28" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.micron.com/role/EquityAccumulatedOtherComprehensiveIncomeDetails" xlink:type="simple" xlink:href="mu-20230601.xsd#EquityAccumulatedOtherComprehensiveIncomeDetails"/>
  <link:definitionLink xlink:role="http://www.micron.com/role/EquityAccumulatedOtherComprehensiveIncomeDetails" xlink:type="extended" id="i2657aeec84fc40cd8eede136d655f04e_EquityAccumulatedOtherComprehensiveIncomeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_874f63be-555c-44d6-925e-370ad8f35b16" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_00c9fa5d-716b-4fac-8a64-50677376af37" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_874f63be-555c-44d6-925e-370ad8f35b16" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_00c9fa5d-716b-4fac-8a64-50677376af37" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_960fbfd9-128a-4f2d-9936-98b4aa6f74fa" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_00c9fa5d-716b-4fac-8a64-50677376af37" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_960fbfd9-128a-4f2d-9936-98b4aa6f74fa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax_9cf86630-9c2d-45cc-be1d-57135e5cf93b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_00c9fa5d-716b-4fac-8a64-50677376af37" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax_9cf86630-9c2d-45cc-be1d-57135e5cf93b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_4faa2661-f508-4c00-bd89-3f59e87e076b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_00c9fa5d-716b-4fac-8a64-50677376af37" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodBeforeTax_4faa2661-f508-4c00-bd89-3f59e87e076b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossTax_c3451390-fdbe-44ec-8c36-aa75521bb619" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherComprehensiveIncomeLossTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_00c9fa5d-716b-4fac-8a64-50677376af37" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossTax_c3451390-fdbe-44ec-8c36-aa75521bb619" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_2f47d201-136d-4c43-b29d-a28ef01adf4e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_00c9fa5d-716b-4fac-8a64-50677376af37" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_2f47d201-136d-4c43-b29d-a28ef01adf4e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_b7519e20-c062-4382-a992-40a4e6534a0e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_83f6d357-56a3-45d6-85b0-8f8d7e617e6c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_874f63be-555c-44d6-925e-370ad8f35b16" xlink:to="loc_us-gaap_StatementTable_83f6d357-56a3-45d6-85b0-8f8d7e617e6c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_3c146c77-c6fb-4dec-99c1-20fd7eab928c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_83f6d357-56a3-45d6-85b0-8f8d7e617e6c" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_3c146c77-c6fb-4dec-99c1-20fd7eab928c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_3c146c77-c6fb-4dec-99c1-20fd7eab928c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_3c146c77-c6fb-4dec-99c1-20fd7eab928c" xlink:to="loc_us-gaap_EquityComponentDomain_3c146c77-c6fb-4dec-99c1-20fd7eab928c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_0bbd95e4-5b48-4570-8c9c-5ec523e0e209" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_3c146c77-c6fb-4dec-99c1-20fd7eab928c" xlink:to="loc_us-gaap_EquityComponentDomain_0bbd95e4-5b48-4570-8c9c-5ec523e0e209" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_b26b729b-96b2-482a-9d38-57926b590e79" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_0bbd95e4-5b48-4570-8c9c-5ec523e0e209" xlink:to="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_b26b729b-96b2-482a-9d38-57926b590e79" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_1580c6ec-7c8c-47cf-bbd5-124f73097d38" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_0bbd95e4-5b48-4570-8c9c-5ec523e0e209" xlink:to="loc_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember_1580c6ec-7c8c-47cf-bbd5-124f73097d38" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_703af3ce-dc98-4163-aec8-67173d381e6c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_0bbd95e4-5b48-4570-8c9c-5ec523e0e209" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_703af3ce-dc98-4163-aec8-67173d381e6c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_6a545ebf-ecc4-4072-b4a4-b3938026875f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedTranslationAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_0bbd95e4-5b48-4570-8c9c-5ec523e0e209" xlink:to="loc_us-gaap_AccumulatedTranslationAdjustmentMember_6a545ebf-ecc4-4072-b4a4-b3938026875f" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.micron.com/role/FairValueMeasurementsFairandCarryingValueofDebtDetails" xlink:type="simple" xlink:href="mu-20230601.xsd#FairValueMeasurementsFairandCarryingValueofDebtDetails"/>
  <link:definitionLink xlink:role="http://www.micron.com/role/FairValueMeasurementsFairandCarryingValueofDebtDetails" xlink:type="extended" id="if8a4e0ab3aea494a8449875940e761af_FairValueMeasurementsFairandCarryingValueofDebtDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_c0307089-4e40-47b6-8142-ccf1d3c516d4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFairValueDisclosureAbstract_29fd6b73-10b1-4489-ba73-29d6a16caad0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtInstrumentFairValueDisclosureAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_c0307089-4e40-47b6-8142-ccf1d3c516d4" xlink:to="loc_us-gaap_DebtInstrumentFairValueDisclosureAbstract_29fd6b73-10b1-4489-ba73-29d6a16caad0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesPayableFairValueDisclosure_ad51e979-073d-40f1-916c-539044ac0ecc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NotesPayableFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentFairValueDisclosureAbstract_29fd6b73-10b1-4489-ba73-29d6a16caad0" xlink:to="loc_us-gaap_NotesPayableFairValueDisclosure_ad51e979-073d-40f1-916c-539044ac0ecc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTable_5cfb267d-4dc9-4046-be46-74271d8996e1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueByBalanceSheetGroupingTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_c0307089-4e40-47b6-8142-ccf1d3c516d4" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTable_5cfb267d-4dc9-4046-be46-74271d8996e1" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_ee236ea7-d7d8-4dc7-81c6-fe2885395a2d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueByMeasurementBasisAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_5cfb267d-4dc9-4046-be46-74271d8996e1" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_ee236ea7-d7d8-4dc7-81c6-fe2885395a2d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_ee236ea7-d7d8-4dc7-81c6-fe2885395a2d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_ee236ea7-d7d8-4dc7-81c6-fe2885395a2d" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_ee236ea7-d7d8-4dc7-81c6-fe2885395a2d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_20f5f489-fe27-4600-a876-95c0af3aa662" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueDisclosureItemAmountsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_ee236ea7-d7d8-4dc7-81c6-fe2885395a2d" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_20f5f489-fe27-4600-a876-95c0af3aa662" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_de160a23-7786-4bea-9647-e140c4023baf" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_20f5f489-fe27-4600-a876-95c0af3aa662" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_de160a23-7786-4bea-9647-e140c4023baf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_4cfa7675-ce67-4d5d-85b2-84f0fd819ab7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_20f5f489-fe27-4600-a876-95c0af3aa662" xlink:to="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_4cfa7675-ce67-4d5d-85b2-84f0fd819ab7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_57a2f658-01a1-4cf3-9bf3-e644694d68c6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CarryingReportedAmountFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_20f5f489-fe27-4600-a876-95c0af3aa662" xlink:to="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_57a2f658-01a1-4cf3-9bf3-e644694d68c6" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.micron.com/role/DerivativeInstrumentsNotionalAmountsandFairValuesDetails" xlink:type="simple" xlink:href="mu-20230601.xsd#DerivativeInstrumentsNotionalAmountsandFairValuesDetails"/>
  <link:definitionLink xlink:role="http://www.micron.com/role/DerivativeInstrumentsNotionalAmountsandFairValuesDetails" xlink:type="extended" id="iea20b906a53c42e2902210f6e2030de4_DerivativeInstrumentsNotionalAmountsandFairValuesDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLineItems_5f8d037e-b6a5-4aac-9e17-d431dff062e0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotionalAmountOfDerivativesAbstract_39dfd752-2750-4d7a-8b37-63391dc9aca2" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NotionalAmountOfDerivativesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_5f8d037e-b6a5-4aac-9e17-d431dff062e0" xlink:to="loc_us-gaap_NotionalAmountOfDerivativesAbstract_39dfd752-2750-4d7a-8b37-63391dc9aca2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNotionalAmount_950f006b-0f9d-4cdd-a764-3891e587f73f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeNotionalAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NotionalAmountOfDerivativesAbstract_39dfd752-2750-4d7a-8b37-63391dc9aca2" xlink:to="loc_us-gaap_DerivativeNotionalAmount_950f006b-0f9d-4cdd-a764-3891e587f73f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeNetAbstract_e97b307f-ce79-4092-a38b-f13bf3be7c21" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeFairValueOfDerivativeNetAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_5f8d037e-b6a5-4aac-9e17-d431dff062e0" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeNetAbstract_e97b307f-ce79-4092-a38b-f13bf3be7c21" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_821056e6-6bcd-4a8b-a2d1-fcf6ac57a255" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeFairValueOfDerivativeNetAbstract_e97b307f-ce79-4092-a38b-f13bf3be7c21" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeAsset_821056e6-6bcd-4a8b-a2d1-fcf6ac57a255" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_ed4f5814-7f25-4ff7-931c-3f69ccf7c9fa" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeFairValueOfDerivativeNetAbstract_e97b307f-ce79-4092-a38b-f13bf3be7c21" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_ed4f5814-7f25-4ff7-931c-3f69ccf7c9fa" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTermOfContract_006e7599-7dc3-483e-a169-fee2ac6f90f3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeTermOfContract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_5f8d037e-b6a5-4aac-9e17-d431dff062e0" xlink:to="loc_us-gaap_DerivativeTermOfContract_006e7599-7dc3-483e-a169-fee2ac6f90f3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MaximumRemainingMaturityOfForeignCurrencyDerivatives1_4b8b7f51-f5ac-471b-8834-4add15ce41c4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MaximumRemainingMaturityOfForeignCurrencyDerivatives1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_5f8d037e-b6a5-4aac-9e17-d431dff062e0" xlink:to="loc_us-gaap_MaximumRemainingMaturityOfForeignCurrencyDerivatives1_4b8b7f51-f5ac-471b-8834-4add15ce41c4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTable_a2611dce-5a38-408a-986e-1692384ca625" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_5f8d037e-b6a5-4aac-9e17-d431dff062e0" xlink:to="loc_us-gaap_DerivativeTable_a2611dce-5a38-408a-986e-1692384ca625" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_e321e6a3-0e1b-4852-a63b-b18a925dae85" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_a2611dce-5a38-408a-986e-1692384ca625" xlink:to="loc_us-gaap_HedgingDesignationAxis_e321e6a3-0e1b-4852-a63b-b18a925dae85" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_e321e6a3-0e1b-4852-a63b-b18a925dae85_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_e321e6a3-0e1b-4852-a63b-b18a925dae85" xlink:to="loc_us-gaap_HedgingDesignationDomain_e321e6a3-0e1b-4852-a63b-b18a925dae85_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_096c03da-bdf2-40cb-a6e9-ed348bb0d0d8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_e321e6a3-0e1b-4852-a63b-b18a925dae85" xlink:to="loc_us-gaap_HedgingDesignationDomain_096c03da-bdf2-40cb-a6e9-ed348bb0d0d8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_1d01399c-41f7-44e9-9653-25f3021bb400" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DesignatedAsHedgingInstrumentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_096c03da-bdf2-40cb-a6e9-ed348bb0d0d8" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_1d01399c-41f7-44e9-9653-25f3021bb400" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NondesignatedMember_4cb73398-c4a7-43de-9777-861eeb6a6545" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NondesignatedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_096c03da-bdf2-40cb-a6e9-ed348bb0d0d8" xlink:to="loc_us-gaap_NondesignatedMember_4cb73398-c4a7-43de-9777-861eeb6a6545" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_8ac59234-ab85-4291-bf7a-f7dc28a4a534" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_a2611dce-5a38-408a-986e-1692384ca625" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_8ac59234-ab85-4291-bf7a-f7dc28a4a534" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_8ac59234-ab85-4291-bf7a-f7dc28a4a534_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_8ac59234-ab85-4291-bf7a-f7dc28a4a534" xlink:to="loc_us-gaap_HedgingRelationshipDomain_8ac59234-ab85-4291-bf7a-f7dc28a4a534_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_d6dfd9fb-9ea6-42b7-a195-1ef2814d0276" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_8ac59234-ab85-4291-bf7a-f7dc28a4a534" xlink:to="loc_us-gaap_HedgingRelationshipDomain_d6dfd9fb-9ea6-42b7-a195-1ef2814d0276" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowHedgingMember_578f3193-802a-49dd-9a8d-873b390f0df9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashFlowHedgingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_d6dfd9fb-9ea6-42b7-a195-1ef2814d0276" xlink:to="loc_us-gaap_CashFlowHedgingMember_578f3193-802a-49dd-9a8d-873b390f0df9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueHedgingMember_c7f574fa-9ae2-4df8-bf86-4d0cd215065c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueHedgingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_d6dfd9fb-9ea6-42b7-a195-1ef2814d0276" xlink:to="loc_us-gaap_FairValueHedgingMember_c7f574fa-9ae2-4df8-bf86-4d0cd215065c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_1c946c0e-9335-4bc4-bf8a-b1c7419b48b4" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_a2611dce-5a38-408a-986e-1692384ca625" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_1c946c0e-9335-4bc4-bf8a-b1c7419b48b4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_1c946c0e-9335-4bc4-bf8a-b1c7419b48b4_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_1c946c0e-9335-4bc4-bf8a-b1c7419b48b4" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_1c946c0e-9335-4bc4-bf8a-b1c7419b48b4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_faafa269-537c-440e-831f-e8db8922f09e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_1c946c0e-9335-4bc4-bf8a-b1c7419b48b4" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_faafa269-537c-440e-831f-e8db8922f09e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_05ec1646-ed1d-4c46-83a3-cbedd2f3914a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ForeignExchangeContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_faafa269-537c-440e-831f-e8db8922f09e" xlink:to="loc_us-gaap_ForeignExchangeContractMember_05ec1646-ed1d-4c46-83a3-cbedd2f3914a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommodityContractMember_0ae3118a-055b-41e9-bed9-b34801182ca3" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommodityContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_faafa269-537c-440e-831f-e8db8922f09e" xlink:to="loc_us-gaap_CommodityContractMember_0ae3118a-055b-41e9-bed9-b34801182ca3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateSwapMember_777e0f3f-41ef-4589-870c-e759a648d616" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InterestRateSwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_faafa269-537c-440e-831f-e8db8922f09e" xlink:to="loc_us-gaap_InterestRateSwapMember_777e0f3f-41ef-4589-870c-e759a648d616" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.micron.com/role/DerivativeInstrumentsGainLossonDerivativesDetails" xlink:type="simple" xlink:href="mu-20230601.xsd#DerivativeInstrumentsGainLossonDerivativesDetails"/>
  <link:definitionLink xlink:role="http://www.micron.com/role/DerivativeInstrumentsGainLossonDerivativesDetails" xlink:type="extended" id="if5a8292c91534517ac0738c278a8f716_DerivativeInstrumentsGainLossonDerivativesDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_3de890ac-a511-4908-8212-2053c7fd3fbe" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax_3cfccf8d-dfa2-45c0-a1f5-962cf9096811" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_3de890ac-a511-4908-8212-2053c7fd3fbe" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax_3cfccf8d-dfa2-45c0-a1f5-962cf9096811" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossFromComponentsExcludedFromAssessmentOfCashFlowHedgeEffectivenessNet_1adb521c-a329-45b6-beea-e7cd6576ba1d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GainLossFromComponentsExcludedFromAssessmentOfCashFlowHedgeEffectivenessNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_3de890ac-a511-4908-8212-2053c7fd3fbe" xlink:to="loc_us-gaap_GainLossFromComponentsExcludedFromAssessmentOfCashFlowHedgeEffectivenessNet_1adb521c-a329-45b6-beea-e7cd6576ba1d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax_eddfb06f-31e6-42be-95d7-2f323b99daa5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_3de890ac-a511-4908-8212-2053c7fd3fbe" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax_eddfb06f-31e6-42be-95d7-2f323b99daa5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths_2ac2a06e-9a26-4351-a599-2b1214ff1b49" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_3de890ac-a511-4908-8212-2053c7fd3fbe" xlink:to="loc_us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths_2ac2a06e-9a26-4351-a599-2b1214ff1b49" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1_3c4a9dde-6ce6-439e-bebe-a97fe4822eb0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_3de890ac-a511-4908-8212-2053c7fd3fbe" xlink:to="loc_us-gaap_ChangeInUnrealizedGainLossOnFairValueHedgingInstruments1_3c4a9dde-6ce6-439e-bebe-a97fe4822eb0" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1_65724716-ac85-4f19-b6ec-06ba28450e8c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_3de890ac-a511-4908-8212-2053c7fd3fbe" xlink:to="loc_us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1_65724716-ac85-4f19-b6ec-06ba28450e8c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_66eaf06e-bf75-46f9-a88d-9db38d90d1a6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_3de890ac-a511-4908-8212-2053c7fd3fbe" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_66eaf06e-bf75-46f9-a88d-9db38d90d1a6" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_8e474ec2-821e-44d3-a1ae-d6653966da39" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_66eaf06e-bf75-46f9-a88d-9db38d90d1a6" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_8e474ec2-821e-44d3-a1ae-d6653966da39" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_8e474ec2-821e-44d3-a1ae-d6653966da39_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_8e474ec2-821e-44d3-a1ae-d6653966da39" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_8e474ec2-821e-44d3-a1ae-d6653966da39_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_e1fae29c-dd70-4b98-a6da-77bde33f48a6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_8e474ec2-821e-44d3-a1ae-d6653966da39" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_e1fae29c-dd70-4b98-a6da-77bde33f48a6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignExchangeContractMember_061d693b-4e36-437b-92be-1ab2c07e2891" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ForeignExchangeContractMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_e1fae29c-dd70-4b98-a6da-77bde33f48a6" xlink:to="loc_us-gaap_ForeignExchangeContractMember_061d693b-4e36-437b-92be-1ab2c07e2891" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_88ae5388-9c44-44d7-86b1-128591ad5afd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_66eaf06e-bf75-46f9-a88d-9db38d90d1a6" xlink:to="loc_us-gaap_HedgingDesignationAxis_88ae5388-9c44-44d7-86b1-128591ad5afd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_88ae5388-9c44-44d7-86b1-128591ad5afd_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_88ae5388-9c44-44d7-86b1-128591ad5afd" xlink:to="loc_us-gaap_HedgingDesignationDomain_88ae5388-9c44-44d7-86b1-128591ad5afd_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_7ebe0b67-921b-4bb4-af33-1c5aa577bce1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_88ae5388-9c44-44d7-86b1-128591ad5afd" xlink:to="loc_us-gaap_HedgingDesignationDomain_7ebe0b67-921b-4bb4-af33-1c5aa577bce1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_ee3e7560-c178-4bdf-a58e-c5308e1cffd7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DesignatedAsHedgingInstrumentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_7ebe0b67-921b-4bb4-af33-1c5aa577bce1" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_ee3e7560-c178-4bdf-a58e-c5308e1cffd7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NondesignatedMember_242d56e4-2243-40ef-a776-cb7b503a60d9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_NondesignatedMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_7ebe0b67-921b-4bb4-af33-1c5aa577bce1" xlink:to="loc_us-gaap_NondesignatedMember_242d56e4-2243-40ef-a776-cb7b503a60d9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_db23bba0-a279-4dd7-9a87-55deeaf42683" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_66eaf06e-bf75-46f9-a88d-9db38d90d1a6" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_db23bba0-a279-4dd7-9a87-55deeaf42683" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_db23bba0-a279-4dd7-9a87-55deeaf42683_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_db23bba0-a279-4dd7-9a87-55deeaf42683" xlink:to="loc_us-gaap_HedgingRelationshipDomain_db23bba0-a279-4dd7-9a87-55deeaf42683_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_1ff4ae3f-5b9e-46e6-9fce-f2f61f5aa722" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_db23bba0-a279-4dd7-9a87-55deeaf42683" xlink:to="loc_us-gaap_HedgingRelationshipDomain_1ff4ae3f-5b9e-46e6-9fce-f2f61f5aa722" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowHedgingMember_6a354fb5-01c7-4ffa-b60b-bc6729fbca4e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashFlowHedgingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_1ff4ae3f-5b9e-46e6-9fce-f2f61f5aa722" xlink:to="loc_us-gaap_CashFlowHedgingMember_6a354fb5-01c7-4ffa-b60b-bc6729fbca4e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueHedgingMember_f069a7fd-4e8e-47ad-92fc-b1f199436b80" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueHedgingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_1ff4ae3f-5b9e-46e6-9fce-f2f61f5aa722" xlink:to="loc_us-gaap_FairValueHedgingMember_f069a7fd-4e8e-47ad-92fc-b1f199436b80" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.micron.com/role/EquityPlansShareBasedInformationRestrictedStockAwardsandESPPDetails" xlink:type="simple" xlink:href="mu-20230601.xsd#EquityPlansShareBasedInformationRestrictedStockAwardsandESPPDetails"/>
  <link:definitionLink xlink:role="http://www.micron.com/role/EquityPlansShareBasedInformationRestrictedStockAwardsandESPPDetails" xlink:type="extended" id="i6d07469b5a594b94b04f9599f432eaef_EquityPlansShareBasedInformationRestrictedStockAwardsandESPPDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_6607d80b-5609-4613-8fe7-05cadeadb45d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_e74a815d-a014-4a6b-8aa2-9871aef3bc18" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_6607d80b-5609-4613-8fe7-05cadeadb45d" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_e74a815d-a014-4a6b-8aa2-9871aef3bc18" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_74176fe0-3ec6-475e-a595-f44bf341958a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_6607d80b-5609-4613-8fe7-05cadeadb45d" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_74176fe0-3ec6-475e-a595-f44bf341958a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_ff6d9986-0aeb-4cea-9e89-6c933aa74aca" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_74176fe0-3ec6-475e-a595-f44bf341958a" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_ff6d9986-0aeb-4cea-9e89-6c933aa74aca" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_d080e9c8-f04f-47cf-a714-d0390b258434" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalDisclosuresAbstract_74176fe0-3ec6-475e-a595-f44bf341958a" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_d080e9c8-f04f-47cf-a714-d0390b258434" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_20d2d5c1-0c15-4bfe-b5cd-8f030f285d67" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_6607d80b-5609-4613-8fe7-05cadeadb45d" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_20d2d5c1-0c15-4bfe-b5cd-8f030f285d67" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_b3e361d0-b90f-4d6b-bc43-6c26684c8f2a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_20d2d5c1-0c15-4bfe-b5cd-8f030f285d67" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesEmployeeStockPurchasePlans_b3e361d0-b90f-4d6b-bc43-6c26684c8f2a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesIssuedPricePerShare_f5313059-56bb-4ed6-96b8-c980ef3d3f8e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharesIssuedPricePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsAndMethodologyAbstract_20d2d5c1-0c15-4bfe-b5cd-8f030f285d67" xlink:to="loc_us-gaap_SharesIssuedPricePerShare_f5313059-56bb-4ed6-96b8-c980ef3d3f8e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_dad897f2-557c-425e-8a06-6a2a20bb846d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_6607d80b-5609-4613-8fe7-05cadeadb45d" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_dad897f2-557c-425e-8a06-6a2a20bb846d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_5a412872-fd73-4697-b621-2c052affdded" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_dad897f2-557c-425e-8a06-6a2a20bb846d" xlink:to="loc_us-gaap_AwardTypeAxis_5a412872-fd73-4697-b621-2c052affdded" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_5a412872-fd73-4697-b621-2c052affdded_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_5a412872-fd73-4697-b621-2c052affdded" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_5a412872-fd73-4697-b621-2c052affdded_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_86f52d01-05b0-46f0-88d5-6679d092d013" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_5a412872-fd73-4697-b621-2c052affdded" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_86f52d01-05b0-46f0-88d5-6679d092d013" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_RestrictedstockawardMember_e9843586-a71a-4676-b549-d211a8f62c2a" xlink:href="mu-20230601.xsd#mu_RestrictedstockawardMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_86f52d01-05b0-46f0-88d5-6679d092d013" xlink:to="loc_mu_RestrictedstockawardMember_e9843586-a71a-4676-b549-d211a8f62c2a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockMember_7019b0ae-2a1c-4b53-ab6f-30bafdc7cba9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EmployeeStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_86f52d01-05b0-46f0-88d5-6679d092d013" xlink:to="loc_us-gaap_EmployeeStockMember_7019b0ae-2a1c-4b53-ab6f-30bafdc7cba9" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.micron.com/role/EquityPlansStockbasedcompensationexpenseDetails" xlink:type="simple" xlink:href="mu-20230601.xsd#EquityPlansStockbasedcompensationexpenseDetails"/>
  <link:definitionLink xlink:role="http://www.micron.com/role/EquityPlansStockbasedcompensationexpenseDetails" xlink:type="extended" id="i65f613d31a954a96a354e28e7e687703_EquityPlansStockbasedcompensationexpenseDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_47b53743-1447-45a5-9a2c-c103174b3ed7" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherInventoryCapitalizedCosts_ecd682d8-919c-4d10-9957-c85cfdf0e3da" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherInventoryCapitalizedCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_47b53743-1447-45a5-9a2c-c103174b3ed7" xlink:to="loc_us-gaap_OtherInventoryCapitalizedCosts_ecd682d8-919c-4d10-9957-c85cfdf0e3da" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_0c069fe9-a78e-43de-a74c-0f40d9b5cb39" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_47b53743-1447-45a5-9a2c-c103174b3ed7" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_0c069fe9-a78e-43de-a74c-0f40d9b5cb39" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationAggregateDisclosuresAbstract_64a9136e-4a35-4ecc-9236-330cb45096c6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EmployeeServiceShareBasedCompensationAggregateDisclosuresAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_47b53743-1447-45a5-9a2c-c103174b3ed7" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationAggregateDisclosuresAbstract_64a9136e-4a35-4ecc-9236-330cb45096c6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_bdecef25-3b4e-4035-9640-3df5a196c48d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAggregateDisclosuresAbstract_64a9136e-4a35-4ecc-9236-330cb45096c6" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_bdecef25-3b4e-4035-9640-3df5a196c48d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_8e6d8e4e-56d0-47ad-93cc-c76e0999099c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAggregateDisclosuresAbstract_64a9136e-4a35-4ecc-9236-330cb45096c6" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_8e6d8e4e-56d0-47ad-93cc-c76e0999099c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_ea9bbae0-adfc-40c9-8490-056e7f48913f" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems_47b53743-1447-45a5-9a2c-c103174b3ed7" xlink:to="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_ea9bbae0-adfc-40c9-8490-056e7f48913f" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_3f0cf22b-1cf1-4168-ab1e-6e28638461dd" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_ea9bbae0-adfc-40c9-8490-056e7f48913f" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_3f0cf22b-1cf1-4168-ab1e-6e28638461dd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_3f0cf22b-1cf1-4168-ab1e-6e28638461dd_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_3f0cf22b-1cf1-4168-ab1e-6e28638461dd" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_3f0cf22b-1cf1-4168-ab1e-6e28638461dd_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_5cb31ea5-767d-444b-96c2-d8cdf0632bd9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_3f0cf22b-1cf1-4168-ab1e-6e28638461dd" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_5cb31ea5-767d-444b-96c2-d8cdf0632bd9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfSalesMember_faa81474-5a71-4686-962b-10d941c5066d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CostOfSalesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_5cb31ea5-767d-444b-96c2-d8cdf0632bd9" xlink:to="loc_us-gaap_CostOfSalesMember_faa81474-5a71-4686-962b-10d941c5066d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpenseMember_09ce7884-82fb-472d-a0f1-9d2aa66b6b9d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ResearchAndDevelopmentExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_5cb31ea5-767d-444b-96c2-d8cdf0632bd9" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpenseMember_09ce7884-82fb-472d-a0f1-9d2aa66b6b9d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_a06038aa-cd8a-4320-aeef-92a48b44dc4a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SellingGeneralAndAdministrativeExpensesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_5cb31ea5-767d-444b-96c2-d8cdf0632bd9" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_a06038aa-cd8a-4320-aeef-92a48b44dc4a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringChargesMember_fcd38849-7bfb-45f0-85c1-4384779ae49d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestructuringChargesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_5cb31ea5-767d-444b-96c2-d8cdf0632bd9" xlink:to="loc_us-gaap_RestructuringChargesMember_fcd38849-7bfb-45f0-85c1-4384779ae49d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_3914b4e0-f027-4a46-900b-034507e1b086" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_ea9bbae0-adfc-40c9-8490-056e7f48913f" xlink:to="loc_us-gaap_AwardTypeAxis_3914b4e0-f027-4a46-900b-034507e1b086" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3914b4e0-f027-4a46-900b-034507e1b086_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_3914b4e0-f027-4a46-900b-034507e1b086" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3914b4e0-f027-4a46-900b-034507e1b086_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9849f5bf-cf59-493e-9176-6dabfc2ee546" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_3914b4e0-f027-4a46-900b-034507e1b086" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9849f5bf-cf59-493e-9176-6dabfc2ee546" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockCompensationPlanMember_0559a028-31f1-4566-a05e-7f2efc1c42a6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockCompensationPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9849f5bf-cf59-493e-9176-6dabfc2ee546" xlink:to="loc_us-gaap_StockCompensationPlanMember_0559a028-31f1-4566-a05e-7f2efc1c42a6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_RestrictedstockawardMember_4d7f1f17-6203-473c-9d67-003e90ef5a7c" xlink:href="mu-20230601.xsd#mu_RestrictedstockawardMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9849f5bf-cf59-493e-9176-6dabfc2ee546" xlink:to="loc_mu_RestrictedstockawardMember_4d7f1f17-6203-473c-9d67-003e90ef5a7c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockMember_d1857260-d1b1-45d3-9112-d713c3085128" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EmployeeStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9849f5bf-cf59-493e-9176-6dabfc2ee546" xlink:to="loc_us-gaap_EmployeeStockMember_d1857260-d1b1-45d3-9112-d713c3085128" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember_80dec704-3ad5-4e58-ba56-d971852ffb3c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9849f5bf-cf59-493e-9176-6dabfc2ee546" xlink:to="loc_us-gaap_EmployeeStockOptionMember_80dec704-3ad5-4e58-ba56-d971852ffb3c" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.micron.com/role/RevenueDetails" xlink:type="simple" xlink:href="mu-20230601.xsd#RevenueDetails"/>
  <link:definitionLink xlink:role="http://www.micron.com/role/RevenueDetails" xlink:type="extended" id="i2552a40880084610818f7470fe9c0f5c_RevenueDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_a3290f44-bd47-4d0a-8103-90fed6fd28d1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_c41c233a-08d9-47c2-88b2-a81509127c09" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_a3290f44-bd47-4d0a-8103-90fed6fd28d1" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_c41c233a-08d9-47c2-88b2-a81509127c09" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerRefundLiabilityAbstract_54c2ddb7-9213-4d12-85e7-d8e97b655133" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ContractWithCustomerRefundLiabilityAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_a3290f44-bd47-4d0a-8103-90fed6fd28d1" xlink:to="loc_us-gaap_ContractWithCustomerRefundLiabilityAbstract_54c2ddb7-9213-4d12-85e7-d8e97b655133" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerRefundLiabilityCurrent_10a62e25-8317-4861-a4a7-d102104e5f7e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ContractWithCustomerRefundLiabilityCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ContractWithCustomerRefundLiabilityAbstract_54c2ddb7-9213-4d12-85e7-d8e97b655133" xlink:to="loc_us-gaap_ContractWithCustomerRefundLiabilityCurrent_10a62e25-8317-4861-a4a7-d102104e5f7e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ExtraordinaryAndUnusualItemsAbstract_483bd447-227e-4cc0-9831-776747280d9a" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ExtraordinaryAndUnusualItemsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_a3290f44-bd47-4d0a-8103-90fed6fd28d1" xlink:to="loc_us-gaap_ExtraordinaryAndUnusualItemsAbstract_483bd447-227e-4cc0-9831-776747280d9a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromInsuranceSettlementOperatingActivities_2cd0117c-41fe-4baa-bd36-0bfaf6d91ea0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromInsuranceSettlementOperatingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ExtraordinaryAndUnusualItemsAbstract_483bd447-227e-4cc0-9831-776747280d9a" xlink:to="loc_us-gaap_ProceedsFromInsuranceSettlementOperatingActivities_2cd0117c-41fe-4baa-bd36-0bfaf6d91ea0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_5f9d0dc7-8149-4963-89f0-d9ba4665f6e5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_a3290f44-bd47-4d0a-8103-90fed6fd28d1" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_5f9d0dc7-8149-4963-89f0-d9ba4665f6e5" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_92f19f22-e573-4156-9ba5-6e071df9c35c" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_5f9d0dc7-8149-4963-89f0-d9ba4665f6e5" xlink:to="loc_srt_ProductOrServiceAxis_92f19f22-e573-4156-9ba5-6e071df9c35c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_92f19f22-e573-4156-9ba5-6e071df9c35c_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_92f19f22-e573-4156-9ba5-6e071df9c35c" xlink:to="loc_srt_ProductsAndServicesDomain_92f19f22-e573-4156-9ba5-6e071df9c35c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_38784594-d2cb-4645-a156-6bec6cea18af" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_92f19f22-e573-4156-9ba5-6e071df9c35c" xlink:to="loc_srt_ProductsAndServicesDomain_38784594-d2cb-4645-a156-6bec6cea18af" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_DRAMProductsMember_9437c612-c56c-4545-8ffa-5ffb17094796" xlink:href="mu-20230601.xsd#mu_DRAMProductsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_38784594-d2cb-4645-a156-6bec6cea18af" xlink:to="loc_mu_DRAMProductsMember_9437c612-c56c-4545-8ffa-5ffb17094796" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_NANDProductsMember_94f4510b-53ff-4599-9dfa-eeb655295c20" xlink:href="mu-20230601.xsd#mu_NANDProductsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_38784594-d2cb-4645-a156-6bec6cea18af" xlink:to="loc_mu_NANDProductsMember_94f4510b-53ff-4599-9dfa-eeb655295c20" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_OtherProductSalesMember_33068ef7-3dd1-43e5-8ab8-129a442fc8a7" xlink:href="mu-20230601.xsd#mu_OtherProductSalesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_38784594-d2cb-4645-a156-6bec6cea18af" xlink:to="loc_mu_OtherProductSalesMember_33068ef7-3dd1-43e5-8ab8-129a442fc8a7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessInterruptionLossAxis_a2729b6f-2d03-44cc-864c-864a90f53bd1" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessInterruptionLossAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_5f9d0dc7-8149-4963-89f0-d9ba4665f6e5" xlink:to="loc_us-gaap_BusinessInterruptionLossAxis_a2729b6f-2d03-44cc-864c-864a90f53bd1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessInterruptionLossDomain_a2729b6f-2d03-44cc-864c-864a90f53bd1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessInterruptionLossDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessInterruptionLossAxis_a2729b6f-2d03-44cc-864c-864a90f53bd1" xlink:to="loc_us-gaap_BusinessInterruptionLossDomain_a2729b6f-2d03-44cc-864c-864a90f53bd1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessInterruptionLossDomain_88124c2a-9fee-4ed1-b241-cfc0712b3905" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessInterruptionLossDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessInterruptionLossAxis_a2729b6f-2d03-44cc-864c-864a90f53bd1" xlink:to="loc_us-gaap_BusinessInterruptionLossDomain_88124c2a-9fee-4ed1-b241-cfc0712b3905" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_BusinessInterruptionRecoveredInQ323Member_880fa084-3470-4b24-9ed7-ca55b9777ed8" xlink:href="mu-20230601.xsd#mu_BusinessInterruptionRecoveredInQ323Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessInterruptionLossDomain_88124c2a-9fee-4ed1-b241-cfc0712b3905" xlink:to="loc_mu_BusinessInterruptionRecoveredInQ323Member_880fa084-3470-4b24-9ed7-ca55b9777ed8" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.micron.com/role/RestructureandAssetImpairmentsDetails" xlink:type="simple" xlink:href="mu-20230601.xsd#RestructureandAssetImpairmentsDetails"/>
  <link:definitionLink xlink:role="http://www.micron.com/role/RestructureandAssetImpairmentsDetails" xlink:type="extended" id="icd91367fb9534fb7af74a8a62e04cb4b_RestructureandAssetImpairmentsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_f3562b38-d427-49a8-93fd-dc9747258997" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminatedPeriodPercent_eba14fb3-b676-4c71-bfe1-cd5447290f4e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminatedPeriodPercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_f3562b38-d427-49a8-93fd-dc9747258997" xlink:to="loc_us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminatedPeriodPercent_eba14fb3-b676-4c71-bfe1-cd5447290f4e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedCostExpectedCost1_d2d0a342-4135-4b72-b7c2-5f3289914d17" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestructuringAndRelatedCostExpectedCost1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_f3562b38-d427-49a8-93fd-dc9747258997" xlink:to="loc_us-gaap_RestructuringAndRelatedCostExpectedCost1_d2d0a342-4135-4b72-b7c2-5f3289914d17" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserve_b05b8d92-2847-4468-9617-ec350885ec47" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestructuringReserve"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_f3562b38-d427-49a8-93fd-dc9747258997" xlink:to="loc_us-gaap_RestructuringReserve_b05b8d92-2847-4468-9617-ec350885ec47" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedCostIncurredCost_1061207e-a6ff-433e-a52d-79bde5638474" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestructuringAndRelatedCostIncurredCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_f3562b38-d427-49a8-93fd-dc9747258997" xlink:to="loc_us-gaap_RestructuringAndRelatedCostIncurredCost_1061207e-a6ff-433e-a52d-79bde5638474" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRestructuring_b0bca80d-b4d3-4118-8efb-bf61815d3b58" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PaymentsForRestructuring"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_f3562b38-d427-49a8-93fd-dc9747258997" xlink:to="loc_us-gaap_PaymentsForRestructuring_b0bca80d-b4d3-4118-8efb-bf61815d3b58" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserve_e5f8e0f0-6348-4957-8597-61ae531066fc" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestructuringReserve"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_445a7903-14dd-4a6c-9218-72f5dea95fc5" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_f3562b38-d427-49a8-93fd-dc9747258997" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_445a7903-14dd-4a6c-9218-72f5dea95fc5" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementScenarioAxis_fca5825a-8741-4d69-8142-1729d30360c4" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_StatementScenarioAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_445a7903-14dd-4a6c-9218-72f5dea95fc5" xlink:to="loc_srt_StatementScenarioAxis_fca5825a-8741-4d69-8142-1729d30360c4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioUnspecifiedDomain_fca5825a-8741-4d69-8142-1729d30360c4_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ScenarioUnspecifiedDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementScenarioAxis_fca5825a-8741-4d69-8142-1729d30360c4" xlink:to="loc_srt_ScenarioUnspecifiedDomain_fca5825a-8741-4d69-8142-1729d30360c4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioUnspecifiedDomain_787a1d1d-ad3a-4f79-8982-67f323799dfc" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ScenarioUnspecifiedDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementScenarioAxis_fca5825a-8741-4d69-8142-1729d30360c4" xlink:to="loc_srt_ScenarioUnspecifiedDomain_787a1d1d-ad3a-4f79-8982-67f323799dfc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioForecastMember_89262a23-f609-422d-a37b-90cc16b92426" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ScenarioForecastMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ScenarioUnspecifiedDomain_787a1d1d-ad3a-4f79-8982-67f323799dfc" xlink:to="loc_srt_ScenarioForecastMember_89262a23-f609-422d-a37b-90cc16b92426" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveAxis_b595acbe-2f09-403e-a0ee-20efdfa40176" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestructuringCostAndReserveAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_445a7903-14dd-4a6c-9218-72f5dea95fc5" xlink:to="loc_us-gaap_RestructuringCostAndReserveAxis_b595acbe-2f09-403e-a0ee-20efdfa40176" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_b595acbe-2f09-403e-a0ee-20efdfa40176_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_b595acbe-2f09-403e-a0ee-20efdfa40176" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_b595acbe-2f09-403e-a0ee-20efdfa40176_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_ca27be53-fab4-48b7-b0fd-ab53e481e406" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_b595acbe-2f09-403e-a0ee-20efdfa40176" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_ca27be53-fab4-48b7-b0fd-ab53e481e406" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeSeveranceMember_78fe935a-1d70-42c0-ae7b-f1d656df33a6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EmployeeSeveranceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_ca27be53-fab4-48b7-b0fd-ab53e481e406" xlink:to="loc_us-gaap_EmployeeSeveranceMember_78fe935a-1d70-42c0-ae7b-f1d656df33a6" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.micron.com/role/SegmentandOtherInformationDetails" xlink:type="simple" xlink:href="mu-20230601.xsd#SegmentandOtherInformationDetails"/>
  <link:definitionLink xlink:role="http://www.micron.com/role/SegmentandOtherInformationDetails" xlink:type="extended" id="i7efad4284ea94eabb13a17251e6b30f1_SegmentandOtherInformationDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_5bd4f984-5b74-47a7-9583-faaf328ce419" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationRevenueAbstract_a8dc6a59-b302-4a82-ba03-eaa04673e121" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SegmentReportingInformationRevenueAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_5bd4f984-5b74-47a7-9583-faaf328ce419" xlink:to="loc_us-gaap_SegmentReportingInformationRevenueAbstract_a8dc6a59-b302-4a82-ba03-eaa04673e121" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_7c260e51-99b5-4d8a-b0eb-ddde390d880e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationRevenueAbstract_a8dc6a59-b302-4a82-ba03-eaa04673e121" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_7c260e51-99b5-4d8a-b0eb-ddde390d880e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationOperatingIncomeLossAbstract_371c48d2-4abd-4db4-b2f4-5d2d15a5f6a9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SegmentReportingInformationOperatingIncomeLossAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_5bd4f984-5b74-47a7-9583-faaf328ce419" xlink:to="loc_us-gaap_SegmentReportingInformationOperatingIncomeLossAbstract_371c48d2-4abd-4db4-b2f4-5d2d15a5f6a9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract_8ffb484f-7587-4553-ac0e-bb2b6e537ed0" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationOperatingIncomeLossAbstract_371c48d2-4abd-4db4-b2f4-5d2d15a5f6a9" xlink:to="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract_8ffb484f-7587-4553-ac0e-bb2b6e537ed0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryWriteDown_58877b62-82cc-4db1-9ecd-b1b35b188185" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryWriteDown"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract_8ffb484f-7587-4553-ac0e-bb2b6e537ed0" xlink:to="loc_us-gaap_InventoryWriteDown_58877b62-82cc-4db1-9ecd-b1b35b188185" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_InventoryWriteDownSubsequentPeriodBenefit_c422db9b-bb27-498e-89ea-2c0b716a3f4e" xlink:href="mu-20230601.xsd#mu_InventoryWriteDownSubsequentPeriodBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract_8ffb484f-7587-4553-ac0e-bb2b6e537ed0" xlink:to="loc_mu_InventoryWriteDownSubsequentPeriodBenefit_c422db9b-bb27-498e-89ea-2c0b716a3f4e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_561c77f3-2f4b-454f-8280-9d63115f6158" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract_8ffb484f-7587-4553-ac0e-bb2b6e537ed0" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_561c77f3-2f4b-454f-8280-9d63115f6158" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringSettlementAndImpairmentProvisions_45c71bc8-5e28-4953-a7c2-7cc80002753b" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RestructuringSettlementAndImpairmentProvisions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract_8ffb484f-7587-4553-ac0e-bb2b6e537ed0" xlink:to="loc_us-gaap_RestructuringSettlementAndImpairmentProvisions_45c71bc8-5e28-4953-a7c2-7cc80002753b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyLossInPeriod_cfdd959f-d76a-4e56-8c43-0af344bb6a66" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LossContingencyLossInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract_8ffb484f-7587-4553-ac0e-bb2b6e537ed0" xlink:to="loc_us-gaap_LossContingencyLossInPeriod_cfdd959f-d76a-4e56-8c43-0af344bb6a66" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCostAndExpenseOperating_6e8e3485-3088-4c68-8fd6-65622352c5a9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OtherCostAndExpenseOperating"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract_8ffb484f-7587-4553-ac0e-bb2b6e537ed0" xlink:to="loc_us-gaap_OtherCostAndExpenseOperating_6e8e3485-3088-4c68-8fd6-65622352c5a9" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_f44c28af-dfab-4711-9f0a-afd21ba2560e" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationOperatingIncomeLossAbstract_371c48d2-4abd-4db4-b2f4-5d2d15a5f6a9" xlink:to="loc_us-gaap_OperatingIncomeLoss_f44c28af-dfab-4711-9f0a-afd21ba2560e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_002e0f88-aa3f-4bc7-9781-8661d3dd9b40" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_5bd4f984-5b74-47a7-9583-faaf328ce419" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_002e0f88-aa3f-4bc7-9781-8661d3dd9b40" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_ab08d514-a22b-4ca0-a1a2-127ce143b18c" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_002e0f88-aa3f-4bc7-9781-8661d3dd9b40" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_ab08d514-a22b-4ca0-a1a2-127ce143b18c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_ab08d514-a22b-4ca0-a1a2-127ce143b18c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_ab08d514-a22b-4ca0-a1a2-127ce143b18c" xlink:to="loc_us-gaap_SegmentDomain_ab08d514-a22b-4ca0-a1a2-127ce143b18c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_99e79e29-fdf0-4785-a8ba-6c90e76295c9" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SegmentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_ab08d514-a22b-4ca0-a1a2-127ce143b18c" xlink:to="loc_us-gaap_SegmentDomain_99e79e29-fdf0-4785-a8ba-6c90e76295c9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_CNBUMember_fed2a4f6-5522-4ff2-af81-441773749478" xlink:href="mu-20230601.xsd#mu_CNBUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_99e79e29-fdf0-4785-a8ba-6c90e76295c9" xlink:to="loc_mu_CNBUMember_fed2a4f6-5522-4ff2-af81-441773749478" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_MBUMember_29d18ec5-ce77-4d90-b3ca-6990774ffca3" xlink:href="mu-20230601.xsd#mu_MBUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_99e79e29-fdf0-4785-a8ba-6c90e76295c9" xlink:to="loc_mu_MBUMember_29d18ec5-ce77-4d90-b3ca-6990774ffca3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_EBUMember_0d2cd9d9-0637-4277-8af1-b23466b3c177" xlink:href="mu-20230601.xsd#mu_EBUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_99e79e29-fdf0-4785-a8ba-6c90e76295c9" xlink:to="loc_mu_EBUMember_0d2cd9d9-0637-4277-8af1-b23466b3c177" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_SBUMember_2e478ce0-9500-474b-9f38-415ed19f75b2" xlink:href="mu-20230601.xsd#mu_SBUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_99e79e29-fdf0-4785-a8ba-6c90e76295c9" xlink:to="loc_mu_SBUMember_2e478ce0-9500-474b-9f38-415ed19f75b2" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllOtherSegmentsMember_ecc6b65b-7fb6-40c9-8f44-65dab38b7371" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AllOtherSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_99e79e29-fdf0-4785-a8ba-6c90e76295c9" xlink:to="loc_us-gaap_AllOtherSegmentsMember_ecc6b65b-7fb6-40c9-8f44-65dab38b7371" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_3bff0152-2b66-4021-aaa8-a6bb5083499b" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ConsolidationItemsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_002e0f88-aa3f-4bc7-9781-8661d3dd9b40" xlink:to="loc_srt_ConsolidationItemsAxis_3bff0152-2b66-4021-aaa8-a6bb5083499b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_3bff0152-2b66-4021-aaa8-a6bb5083499b_default" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ConsolidationItemsAxis_3bff0152-2b66-4021-aaa8-a6bb5083499b" xlink:to="loc_srt_ConsolidationItemsDomain_3bff0152-2b66-4021-aaa8-a6bb5083499b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_294f9c77-7c03-40d8-abea-9ad52c2f4aca" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ConsolidationItemsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ConsolidationItemsAxis_3bff0152-2b66-4021-aaa8-a6bb5083499b" xlink:to="loc_srt_ConsolidationItemsDomain_294f9c77-7c03-40d8-abea-9ad52c2f4aca" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_2263fbf9-fbdd-4955-baa4-6277393f1597" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_OperatingSegmentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_294f9c77-7c03-40d8-abea-9ad52c2f4aca" xlink:to="loc_us-gaap_OperatingSegmentsMember_2263fbf9-fbdd-4955-baa4-6277393f1597" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MaterialReconcilingItemsMember_84037513-4388-4cce-bad7-4065bf2435f6" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_MaterialReconcilingItemsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ConsolidationItemsDomain_294f9c77-7c03-40d8-abea-9ad52c2f4aca" xlink:to="loc_us-gaap_MaterialReconcilingItemsMember_84037513-4388-4cce-bad7-4065bf2435f6" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.micron.com/role/CertainConcentrationsDetails" xlink:type="simple" xlink:href="mu-20230601.xsd#CertainConcentrationsDetails"/>
  <link:definitionLink xlink:role="http://www.micron.com/role/CertainConcentrationsDetails" xlink:type="extended" id="i643d08180ac849e1a2136b9e8d3a8270_CertainConcentrationsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskLineItems_49df32cc-6597-48cc-9b87-a298891d721d" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_44dff9e5-2a5b-4d55-829c-c2d8560a09ee" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskPercentage1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_49df32cc-6597-48cc-9b87-a298891d721d" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_44dff9e5-2a5b-4d55-829c-c2d8560a09ee" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTable_4e0816df-b669-4941-8964-0dffcc09e0ff" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ConcentrationRiskLineItems_49df32cc-6597-48cc-9b87-a298891d721d" xlink:to="loc_us-gaap_ConcentrationRiskTable_4e0816df-b669-4941-8964-0dffcc09e0ff" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_84d648ac-6393-481c-a796-d226fe266064" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_4e0816df-b669-4941-8964-0dffcc09e0ff" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_84d648ac-6393-481c-a796-d226fe266064" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_84d648ac-6393-481c-a796-d226fe266064_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_84d648ac-6393-481c-a796-d226fe266064" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_84d648ac-6393-481c-a796-d226fe266064_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_3d01540b-dd44-4406-91c8-5e0fe56b9ff8" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_84d648ac-6393-481c-a796-d226fe266064" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_3d01540b-dd44-4406-91c8-5e0fe56b9ff8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerMember_34e94414-021e-4fff-a61c-fc696a5fc278" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueFromContractWithCustomerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_3d01540b-dd44-4406-91c8-5e0fe56b9ff8" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerMember_34e94414-021e-4fff-a61c-fc696a5fc278" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_ffb6f7e1-bc95-426e-abc3-10bc64defeca" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_4e0816df-b669-4941-8964-0dffcc09e0ff" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_ffb6f7e1-bc95-426e-abc3-10bc64defeca" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_ffb6f7e1-bc95-426e-abc3-10bc64defeca_default" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_ffb6f7e1-bc95-426e-abc3-10bc64defeca" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_ffb6f7e1-bc95-426e-abc3-10bc64defeca_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_dcb5ab2c-fe9d-481f-a08f-929d54711c94" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_ffb6f7e1-bc95-426e-abc3-10bc64defeca" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_dcb5ab2c-fe9d-481f-a08f-929d54711c94" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductConcentrationRiskMember_145a0553-2a16-4226-934e-22d198d81fcf" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProductConcentrationRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_dcb5ab2c-fe9d-481f-a08f-929d54711c94" xlink:to="loc_us-gaap_ProductConcentrationRiskMember_145a0553-2a16-4226-934e-22d198d81fcf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_ConcentrationRiskByMarketAxis_7e05af4f-f8c4-4855-9782-d2aad1b00016" xlink:href="mu-20230601.xsd#mu_ConcentrationRiskByMarketAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ConcentrationRiskTable_4e0816df-b669-4941-8964-0dffcc09e0ff" xlink:to="loc_mu_ConcentrationRiskByMarketAxis_7e05af4f-f8c4-4855-9782-d2aad1b00016" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_ConcentrationRiskMarketDomain_7e05af4f-f8c4-4855-9782-d2aad1b00016_default" xlink:href="mu-20230601.xsd#mu_ConcentrationRiskMarketDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_mu_ConcentrationRiskByMarketAxis_7e05af4f-f8c4-4855-9782-d2aad1b00016" xlink:to="loc_mu_ConcentrationRiskMarketDomain_7e05af4f-f8c4-4855-9782-d2aad1b00016_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_ConcentrationRiskMarketDomain_18aa277d-7c68-4c7a-a450-779c61a016c9" xlink:href="mu-20230601.xsd#mu_ConcentrationRiskMarketDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_mu_ConcentrationRiskByMarketAxis_7e05af4f-f8c4-4855-9782-d2aad1b00016" xlink:to="loc_mu_ConcentrationRiskMarketDomain_18aa277d-7c68-4c7a-a450-779c61a016c9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_AutomotiveIndustrialandConsumerMarketMember_777376e1-9b8a-4f4a-b694-9e69e8ae2abd" xlink:href="mu-20230601.xsd#mu_AutomotiveIndustrialandConsumerMarketMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mu_ConcentrationRiskMarketDomain_18aa277d-7c68-4c7a-a450-779c61a016c9" xlink:to="loc_mu_AutomotiveIndustrialandConsumerMarketMember_777376e1-9b8a-4f4a-b694-9e69e8ae2abd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_EnterpriseandCloudServerMarketMember_1dc642f8-849b-448f-8316-232d12e4bd02" xlink:href="mu-20230601.xsd#mu_EnterpriseandCloudServerMarketMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mu_ConcentrationRiskMarketDomain_18aa277d-7c68-4c7a-a450-779c61a016c9" xlink:to="loc_mu_EnterpriseandCloudServerMarketMember_1dc642f8-849b-448f-8316-232d12e4bd02" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_ClientandGraphicsMarketMember_5db05e2c-6819-4869-8427-89ac4878f091" xlink:href="mu-20230601.xsd#mu_ClientandGraphicsMarketMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mu_ConcentrationRiskMarketDomain_18aa277d-7c68-4c7a-a450-779c61a016c9" xlink:to="loc_mu_ClientandGraphicsMarketMember_5db05e2c-6819-4869-8427-89ac4878f091" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_MobileMarketMember_7ff0f00c-e1cd-4506-a276-640f84c358ea" xlink:href="mu-20230601.xsd#mu_MobileMarketMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mu_ConcentrationRiskMarketDomain_18aa277d-7c68-4c7a-a450-779c61a016c9" xlink:to="loc_mu_MobileMarketMember_7ff0f00c-e1cd-4506-a276-640f84c358ea" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_mu_SolidStateDrivesAndOtherStorageMarketMember_7af88bd9-77d2-4035-848e-7855a2e037af" xlink:href="mu-20230601.xsd#mu_SolidStateDrivesAndOtherStorageMarketMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_mu_ConcentrationRiskMarketDomain_18aa277d-7c68-4c7a-a450-779c61a016c9" xlink:to="loc_mu_SolidStateDrivesAndOtherStorageMarketMember_7af88bd9-77d2-4035-848e-7855a2e037af" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists" xlink:type="simple" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-roles-2022.xsd#eedm"/>
  <link:definitionLink xlink:role="http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AssetsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization" xlink:type="arc" order="1"/>
  </link:definitionLink>
</link:linkbase>
