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<!-- Generated by DFIN XBRL Instance Document - http://www.dfinsolutions.com/ - Version R3.0 - on 27-February-2024 [10:15:50] {PM} --> |
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| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InvestmentOwnedAtFairValue" xlink:label="loc_us-gaap_InvestmentOwnedAtFairValue_1698774"/> |
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| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_1433944"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_1433941"/> |
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| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_1433941" xlink:to="loc_slrc_InvestmentHoldingsAxis_1434081" use="optional" order="2"/> |
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| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_CompaniesMoreThanTwentyFivePercentageOwnedMember" xlink:label="loc_slrc_CompaniesMoreThanTwentyFivePercentageOwnedMember_1434083"/> |
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| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember" xlink:label="loc_slrc_CompaniesMoreThanFivePercentageLessThanTwentyFivePercentageOwnedMember_1699005"/> |
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| | <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_1433942"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_1433941" xlink:to="loc_dei_LegalEntityAxis_1433942" use="optional" order="7"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_1433943"/> |
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| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_1433942" xlink:to="loc_dei_EntityDomain_1433943_default" use="optional" order="9"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_EquipmentOperatingLeasesLlcMember" xlink:label="loc_slrc_EquipmentOperatingLeasesLlcMember_1434064"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_1433943" xlink:to="loc_slrc_EquipmentOperatingLeasesLlcMember_1434064" use="optional" order="10"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_KingsbridgeHoldingsLlcMember" xlink:label="loc_slrc_KingsbridgeHoldingsLlcMember_1434065"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_1433943" xlink:to="loc_slrc_KingsbridgeHoldingsLlcMember_1434065" use="optional" order="11"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_KbhTopcoLlcKingsbridgeMember" xlink:label="loc_slrc_KbhTopcoLlcKingsbridgeMember_1434066"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_1433943" xlink:to="loc_slrc_KbhTopcoLlcKingsbridgeMember_1434066" use="optional" order="12"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_LoyerCapitalLlcMember" xlink:label="loc_slrc_LoyerCapitalLlcMember_1434067"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_1433943" xlink:to="loc_slrc_LoyerCapitalLlcMember_1434067" use="optional" order="13"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_RdHoldcoIncCommonEquityMember" xlink:label="loc_slrc_RdHoldcoIncCommonEquityMember_1434098"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_1433943" xlink:to="loc_slrc_RdHoldcoIncCommonEquityMember_1434098" use="optional" order="14"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_RdHoldcoIncClassBMember" xlink:label="loc_slrc_RdHoldcoIncClassBMember_1434099"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_1433943" xlink:to="loc_slrc_RdHoldcoIncClassBMember_1434099" use="optional" order="15"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_RdHoldcoIncWarrantsMember" xlink:label="loc_slrc_RdHoldcoIncWarrantsMember_1434100"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_1433943" xlink:to="loc_slrc_RdHoldcoIncWarrantsMember_1434100" use="optional" order="16"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_RdHoldcoIncDebtMember" xlink:label="loc_slrc_RdHoldcoIncDebtMember_1696904"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_1433943" xlink:to="loc_slrc_RdHoldcoIncDebtMember_1696904" use="optional" order="17"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_SlrBusinessCreditMember" xlink:label="loc_slrc_SlrBusinessCreditMember_1570121"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_1433943" xlink:to="loc_slrc_SlrBusinessCreditMember_1570121" use="optional" order="18"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_SlrCreditSolutionsMember" xlink:label="loc_slrc_SlrCreditSolutionsMember_1434070"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_1433943" xlink:to="loc_slrc_SlrCreditSolutionsMember_1434070" use="optional" order="19"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_SlrEquipmentFinanceEquityMember" xlink:label="loc_slrc_SlrEquipmentFinanceEquityMember_1434101"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_1433943" xlink:to="loc_slrc_SlrEquipmentFinanceEquityMember_1434101" use="optional" order="20"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_SlrEquipmentFinanceDebtMember" xlink:label="loc_slrc_SlrEquipmentFinanceDebtMember_1434102"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_1433943" xlink:to="loc_slrc_SlrEquipmentFinanceDebtMember_1434102" use="optional" order="21"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_SlrHealthcareAblMember" xlink:label="loc_slrc_SlrHealthcareAblMember_1570122"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_1433943" xlink:to="loc_slrc_SlrHealthcareAblMember_1570122" use="optional" order="22"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_SlrSeniorLendingProgramLlcMember" xlink:label="loc_slrc_SlrSeniorLendingProgramLlcMember_1697966"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_1433943" xlink:to="loc_slrc_SlrSeniorLendingProgramLlcMember_1697966" use="optional" order="23"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_SoaggLlcMember" xlink:label="loc_slrc_SoaggLlcMember_1434072"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_1433943" xlink:to="loc_slrc_SoaggLlcMember_1434072" use="optional" order="24"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_SointLlcMember" xlink:label="loc_slrc_SointLlcMember_1434075"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_1433943" xlink:to="loc_slrc_SointLlcMember_1434075" use="optional" order="25"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_AmerimarkMember" xlink:label="loc_slrc_AmerimarkMember_1697938"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_1433943" xlink:to="loc_slrc_AmerimarkMember_1697938" use="optional" order="26"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_BridgeBioPharmaIncMember" xlink:label="loc_slrc_BridgeBioPharmaIncMember_1697939"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_1433943" xlink:to="loc_slrc_BridgeBioPharmaIncMember_1697939" use="optional" order="27"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_OmniGuideHoldingsIncMember" xlink:label="loc_slrc_OmniGuideHoldingsIncMember_1697940"/> |
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| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_VapothermInc.Member" xlink:label="loc_slrc_VapothermInc.Member_1697941"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_1433943" xlink:to="loc_slrc_VapothermInc.Member_1697941" use="optional" order="29"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_IcimsInc.Member" xlink:label="loc_slrc_IcimsInc.Member_1697942"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_1433943" xlink:to="loc_slrc_IcimsInc.Member_1697942" use="optional" order="30"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_KaseyaIncMember" xlink:label="loc_slrc_KaseyaIncMember_1698911"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_1433943" xlink:to="loc_slrc_KaseyaIncMember_1698911" use="optional" order="31"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_ASCHoldcoLLCMember" xlink:label="loc_slrc_ASCHoldcoLLCMember_1698931"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_1433943" xlink:to="loc_slrc_ASCHoldcoLLCMember_1698931" use="optional" order="32"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_AmerimarkIntermediateHoldingsLlcMember" xlink:label="loc_slrc_AmerimarkIntermediateHoldingsLlcMember_1698933"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_1433943" xlink:to="loc_slrc_AmerimarkIntermediateHoldingsLlcMember_1698933" use="optional" order="33"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_AmeriMarkIntermediateHoldingsOneLLCMember" xlink:label="loc_slrc_AmeriMarkIntermediateHoldingsOneLLCMember_1698934"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_1433943" xlink:to="loc_slrc_AmeriMarkIntermediateHoldingsOneLLCMember_1698934" use="optional" order="34"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_BaysideOpcoLLCMember" xlink:label="loc_slrc_BaysideOpcoLLCMember_1698935"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_1433943" xlink:to="loc_slrc_BaysideOpcoLLCMember_1698935" use="optional" order="35"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_BaysideOpcoLLCOneMember" xlink:label="loc_slrc_BaysideOpcoLLCOneMember_1698936"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_1433943" xlink:to="loc_slrc_BaysideOpcoLLCOneMember_1698936" use="optional" order="36"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_BaysideParentLlcLoanMember" xlink:label="loc_slrc_BaysideParentLlcLoanMember_1698937"/> |
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| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_BaysideParentLLCEquityMember" xlink:label="loc_slrc_BaysideParentLLCEquityMember_1698950"/> |
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| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_SlramiTopcoBlockerLlcMember" xlink:label="loc_slrc_SlramiTopcoBlockerLlcMember_1698938"/> |
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| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_SpreadAxis" xlink:label="loc_slrc_SpreadAxis_1437406"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_1433941" xlink:to="loc_slrc_SpreadAxis_1437406" use="optional" order="40"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_SpreadDomain" xlink:label="loc_slrc_SpreadDomain_1437407"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_slrc_SpreadAxis_1437406" xlink:to="loc_slrc_SpreadDomain_1437407" use="optional" order="41"/> |
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| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_PercentageOfOutstandingVotingSecuritiesOfTheInvestment" xlink:label="loc_slrc_PercentageOfOutstandingVotingSecuritiesOfTheInvestment_1432746"/> |
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| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_PercentageSpreadAsCash" xlink:label="loc_slrc_PercentageSpreadAsCash_1432766"/> |
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| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_InvestmentOwnedInterestAndDividendIncome" xlink:label="loc_slrc_InvestmentOwnedInterestAndDividendIncome_1433954"/> |
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| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_CreditFacilityMember" xlink:label="loc_slrc_CreditFacilityMember_1626211"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_1626145" xlink:to="loc_slrc_CreditFacilityMember_1626211" use="optional" order="1"/> |
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| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1433820" xlink:to="loc_slrc_NumberOfIssuerInBusinessCredit_1436622" use="optional" order="33"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCredit" xlink:label="loc_us-gaap_LineOfCredit_1433898"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1433820" xlink:to="loc_us-gaap_LineOfCredit_1433898" use="optional" order="34"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_1433900"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1433820" xlink:to="loc_us-gaap_NetIncomeLoss_1433900" use="optional" order="35"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_GrossIncome" xlink:label="loc_slrc_GrossIncome_1433901"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1433820" xlink:to="loc_slrc_GrossIncome_1433901" use="optional" order="36"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_1698125"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1433820" xlink:to="loc_us-gaap_LongTermDebt_1698125" use="optional" order="37"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_LineOfCreditFacilityMaximumBorrowingCapacityWithAccordionFeature" xlink:label="loc_slrc_LineOfCreditFacilityMaximumBorrowingCapacityWithAccordionFeature_1698122"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_1433820" xlink:to="loc_slrc_LineOfCreditFacilityMaximumBorrowingCapacityWithAccordionFeature_1698122" use="optional" order="38"/> |
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| <definitionLink xlink:type="extended" xlink:role="http://www.slrinvestments.com/role/SlrBusinessCreditAdditionalInformationDetails"> |
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| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_SlrBusinessCreditTable" xlink:label="loc_slrc_SlrBusinessCreditTable_1431918"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_slrc_SlrBusinessCreditLineItems_1431926" xlink:to="loc_slrc_SlrBusinessCreditTable_1431918" xbrldt:contextElement="segment" xbrldt:closed="true" use="optional" order="1"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1431919"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_slrc_SlrBusinessCreditTable_1431918" xlink:to="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1431919" use="optional" order="2"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_EquityMethodInvesteeNameDomain" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_1431920"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1431919" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_1431920" use="optional" order="3"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_EquityMethodInvesteeNameDomain" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_1431920_default"/> |
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| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_NorthMillCapitalLlcMember" xlink:label="loc_slrc_NorthMillCapitalLlcMember_1431923"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_1431920" xlink:to="loc_slrc_NorthMillCapitalLlcMember_1431923" use="optional" order="5"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_EspSscCorporationMember" xlink:label="loc_slrc_EspSscCorporationMember_1431924"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_1431920" xlink:to="loc_slrc_EspSscCorporationMember_1431924" use="optional" order="6"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_SummitFinancialResourcesMember" xlink:label="loc_slrc_SummitFinancialResourcesMember_1433468"/> |
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| | <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_1433469"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_slrc_SlrBusinessCreditTable_1431918" xlink:to="loc_dei_LegalEntityAxis_1433469" use="optional" order="8"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_1433470"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_1433469" xlink:to="loc_dei_EntityDomain_1433470" use="optional" order="9"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_1433470_default"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_1433469" xlink:to="loc_dei_EntityDomain_1433470_default" use="optional" order="10"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_NmHoldcoMember" xlink:label="loc_slrc_NmHoldcoMember_1433471"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_1433470" xlink:to="loc_slrc_NmHoldcoMember_1433471" use="optional" order="11"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_1433472"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_slrc_SlrBusinessCreditTable_1431918" xlink:to="loc_us-gaap_CreditFacilityAxis_1433472" use="optional" order="12"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_1433473"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_1433472" xlink:to="loc_us-gaap_CreditFacilityDomain_1433473" use="optional" order="13"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_1433473_default"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_1433472" xlink:to="loc_us-gaap_CreditFacilityDomain_1433473_default" use="optional" order="14"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_NmcsCreditFacilityMember" xlink:label="loc_slrc_NmcsCreditFacilityMember_1433474"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_1433473" xlink:to="loc_slrc_NmcsCreditFacilityMember_1433474" use="optional" order="15"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_SunsMember" xlink:label="loc_slrc_SunsMember_1433478"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_1433473" xlink:to="loc_slrc_SunsMember_1433478" use="optional" order="16"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_NmcSeniorCreditFacilityMember" xlink:label="loc_slrc_NmcSeniorCreditFacilityMember_1433488"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_1433473" xlink:to="loc_slrc_NmcSeniorCreditFacilityMember_1433488" use="optional" order="17"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_1433475"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_slrc_SlrBusinessCreditTable_1431918" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_1433475" use="optional" order="18"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_1433476"/> |
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| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_FastPayPartnersLlcMember" xlink:label="loc_slrc_FastPayPartnersLlcMember_1433477"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_1433476" xlink:to="loc_slrc_FastPayPartnersLlcMember_1433477" use="optional" order="21"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherCommitmentsAxis" xlink:label="loc_us-gaap_OtherCommitmentsAxis_1433484"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_slrc_SlrBusinessCreditTable_1431918" xlink:to="loc_us-gaap_OtherCommitmentsAxis_1433484" use="optional" order="22"/> |
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| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_SeniorSecuredCommitmentsMember" xlink:label="loc_slrc_SeniorSecuredCommitmentsMember_1433486"/> |
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| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis_1433496"/> |
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| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_1698223" xlink:to="loc_slrc_DiversifiedFinancialServicesMember_1698759" use="optional" order="14"/> |
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| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_HealthCareProvidersAndServicesMember" xlink:label="loc_slrc_HealthCareProvidersAndServicesMember_1698764"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_1698223" xlink:to="loc_slrc_HealthCareProvidersAndServicesMember_1698764" use="optional" order="16"/> |
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| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_1698223" xlink:to="loc_slrc_HealthCareEquipmentAndSuppliesMember_1698767" use="optional" order="17"/> |
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| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_BiotechnologyMember" xlink:label="loc_slrc_BiotechnologyMember_1698772"/> |
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| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_SoftwareMember" xlink:label="loc_slrc_SoftwareMember_1698775"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_1698223" xlink:to="loc_slrc_SoftwareMember_1698775" use="optional" order="20"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_InsuranceMember" xlink:label="loc_slrc_InsuranceMember_1698776"/> |
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| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_DiversifiedConsumerServicesMember" xlink:label="loc_slrc_DiversifiedConsumerServicesMember_1698777"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_1698223" xlink:to="loc_slrc_DiversifiedConsumerServicesMember_1698777" use="optional" order="22"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_CommercialServicesAndSuppliesMember" xlink:label="loc_slrc_CommercialServicesAndSuppliesMember_1698778"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_1698223" xlink:to="loc_slrc_CommercialServicesAndSuppliesMember_1698778" use="optional" order="23"/> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetManagement1Member" xlink:label="loc_us-gaap_AssetManagement1Member_1698783"/> |
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| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_CapitalMarketsMember" xlink:label="loc_slrc_CapitalMarketsMember_1698784"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_1698223" xlink:to="loc_slrc_CapitalMarketsMember_1698784" use="optional" order="25"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_MediaMember" xlink:label="loc_slrc_MediaMember_1698785"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_1698223" xlink:to="loc_slrc_MediaMember_1698785" use="optional" order="26"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_ThriftsAndMortgageFinanceMember" xlink:label="loc_slrc_ThriftsAndMortgageFinanceMember_1698787"/> |
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| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_PersonalProductsMember" xlink:label="loc_slrc_PersonalProductsMember_1698789"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_1698223" xlink:to="loc_slrc_PersonalProductsMember_1698789" use="optional" order="28"/> |
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| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_1698223" xlink:to="loc_slrc_PackagedFoodsAndMeatsMember_1698791" use="optional" order="29"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_AutoPartsAndEquipmentMember" xlink:label="loc_slrc_AutoPartsAndEquipmentMember_1698793"/> |
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| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_RoadAndRailMember" xlink:label="loc_slrc_RoadAndRailMember_1698794"/> |
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| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_LifeSciencesToolsAndServicesMember" xlink:label="loc_slrc_LifeSciencesToolsAndServicesMember_1698796"/> |
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| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_1698223" xlink:to="loc_slrc_InternetSoftwareAndServicesMember_1698797" use="optional" order="33"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_InternetAndCatalogRetailMember" xlink:label="loc_slrc_InternetAndCatalogRetailMember_1698799"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_1698223" xlink:to="loc_slrc_InternetAndCatalogRetailMember_1698799" use="optional" order="34"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_TransportationInfrastructureMember" xlink:label="loc_slrc_TransportationInfrastructureMember_1698801"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_1698223" xlink:to="loc_slrc_TransportationInfrastructureMember_1698801" use="optional" order="35"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_CommunicationsEquipmentMember" xlink:label="loc_slrc_CommunicationsEquipmentMember_1698802"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_1698223" xlink:to="loc_slrc_CommunicationsEquipmentMember_1698802" use="optional" order="36"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_HealthCareTechnologyMember" xlink:label="loc_slrc_HealthCareTechnologyMember_1698803"/> |
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| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_TradingCompaniesAndDistributorsMember" xlink:label="loc_slrc_TradingCompaniesAndDistributorsMember_1698805"/> |
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| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_OilGasAndConsumableFuelsMember" xlink:label="loc_slrc_OilGasAndConsumableFuelsMember_1698810"/> |
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| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_FootwearMember" xlink:label="loc_slrc_FootwearMember_1698811"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_1698223" xlink:to="loc_slrc_FootwearMember_1698811" use="optional" order="42"/> |
| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_AutoComponentsMember" xlink:label="loc_slrc_AutoComponentsMember_1698812"/> |
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| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_ItServicesMember" xlink:label="loc_slrc_ItServicesMember_1698813"/> |
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| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_FoodProductsMember" xlink:label="loc_slrc_FoodProductsMember_1698814"/> |
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| | <loc xlink:type="locator" xlink:href="slrc-20231231.xsd#slrc_MachineryMember" xlink:label="loc_slrc_MachineryMember_1698815"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_1698223" xlink:to="loc_slrc_MachineryMember_1698815" use="optional" order="46"/> |
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