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<?xml version="1.0" encoding="windows-1252"?> |
<!-- Generated by DFIN XBRL Instance Document - http://www.dfinsolutions.com/ - Version R3.0 - on 19-March-2024 [09:51:33] {PM} --> |
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| <roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/cef/2023/cef-2023.xsd#SecurityOnly" roleURI="http://xbrl.sec.gov/cef/role/SecurityOnly"/> |
| <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"/> |
| <definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/cef/role/SecurityOnly"> |
| | <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockDomain" xlink:label="loc_us-gaap_ClassOfStockDomain_200072"/> |
| | <loc xlink:type="locator" xlink:href="cik0001216583-20240319.xsd#cik0001216583_CommonSharesMember" xlink:label="loc_cik0001216583_CommonSharesMember_200585"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_200072" xlink:to="loc_cik0001216583_CommonSharesMember_200585" use="optional" order="1"/> |
| | <loc xlink:type="locator" xlink:href="cik0001216583-20240319.xsd#cik0001216583_PreferredSharesMember" xlink:label="loc_cik0001216583_PreferredSharesMember_200586"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_200072" xlink:to="loc_cik0001216583_PreferredSharesMember_200586" use="optional" order="2"/> |
| | <loc xlink:type="locator" xlink:href="cik0001216583-20240319.xsd#cik0001216583_TfpSeriesAMember" xlink:label="loc_cik0001216583_TfpSeriesAMember_200587"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_200072" xlink:to="loc_cik0001216583_TfpSeriesAMember_200587" use="optional" order="3"/> |
| | <loc xlink:type="locator" xlink:href="cik0001216583-20240319.xsd#cik0001216583_TfpSeriesBMember" xlink:label="loc_cik0001216583_TfpSeriesBMember_200588"/> |
| | <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_200072" xlink:to="loc_cik0001216583_TfpSeriesBMember_200588" use="optional" order="4"/> |
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