"extensional" meaning in English

See extensional in All languages combined, or Wiktionary

Adjective

Etymology: Etymology tree English extension Proto-Indo-European *h₂el-der.? Proto-Italic *-ālis Latin -ālisbor. Old French -albor. ▲ Latin -ālis Old French -elbor. ▲ Latin -ālisbor. Middle English -al English -al English extensional From extension + -al. Etymology templates: {{ety|en|:af|extension|-al|text=+|tree=1}} Etymology tree English extension Proto-Indo-European *h₂el-der.? Proto-Italic *-ālis Latin -ālisbor. Old French -albor. ▲ Latin -ālis Old French -elbor. ▲ Latin -ālisbor. Middle English -al English -al English extensional [Appendix:Glossary#loanword|Borrowed]] from", "terms" : [ { "id" : "forming adjectives", "children" : [ { "keyword_abbrev" : "bor.", "keyword_label" : "Borrowed from", "terms" : [ { "id" : "adjectivizing suffix", "children" : [ { "terms" : [ { "children" : [ { "keyword_abbrev" : "der.", "is_uncertain" : true, "keyword_label" : "Derived from", "terms" : [ { "id" : "grow", "children" : [ ], "status" : "ok", "lang_name" : "Proto-Indo-European", "term" : "*h₂el-", "lang" : "ine-pro" } ], "keyword" : "derived" } ], "lang_name" : "Proto-Italic", "term" : "*-ālis", "status" : "ok", "lang" : "itc-pro" } ], "keyword_label" : "Inherited from", "keyword" : "inherited" } ], "status" : "ok", "lang_name" : "Latin", "term" : "-ālis", "lang" : "la" } ], "keyword" : "bor" } ], "status" : "ok", "lang_name" : "Old French", "term" : "-al", "lang" : "fro" }, { "id" : "adjective", "children" : [ { "terms" : [ { "is_duplicate" : true, "id" : "adjectivizing suffix", "children" : [ ], "status" : { "1" : "la", "2" : ":inh", "3" : "itc-pro:*-ālis", "id" : "adjectivizing suffix", "title" : "-ālis", "pos" : "suffix" }, "lang_name" : "Latin", "term" : "-ālis", "lang" : "la" } ], "keyword_label" : "Inherited from", "keyword" : "inherited" } ], "status" : "ok", "lang_name" : "Old French", "term" : "-el", "lang" : "fro" }, { "is_duplicate" : true, "id" : "adjectivizing suffix", "children" : [ ], "status" : { "1" : "la", "2" : ":inh", "3" : "itc-pro:*-ālis", "id" : "adjectivizing suffix", "title" : "-ālis", "pos" : "suffix" }, "lang_name" : "Latin", "term" : "-ālis", "lang" : "la" } ], "keyword" : "bor" } ], "status" : "ok", "lang_name" : "Middle English", "term" : "-al", "lang" : "enm" } ], "keyword_label" : "Inherited from", "keyword" : "inherited" } ], "lang_name" : "English", "term" : "-al", "status" : "ok", "lang" : "en" } ], "keyword_label" : "From", "is_group" : true, "keyword" : "affix" } ], "lang_name" : "English", "term" : "extensional", "status" : "ok", "lang" : "en" }" data-lang="en" data-title="extensional"> From extension + -al. Head templates: {{en-adj|-}} extensional (not comparable)
  1. Of or pertaining to extension. Tags: not-comparable
    Sense id: en-extensional-en-adj-B0LPmj7G
  2. Having great extent. Tags: not-comparable Translations (Translations): extensional (Spanish)
    Sense id: en-extensional-en-adj-oZATpBMm Categories (other): English entries referencing missing etymons, English entries with etymology texts, English entries with etymology trees, English entries with incorrect language header, English terms suffixed with -al, Entries with translation boxes, Pages using etymon with no ID, Pages with 2 entries, Pages with entries, Pages with etymology trees, Terms with Spanish translations Disambiguation of English entries referencing missing etymons: 14 86 Disambiguation of English entries with etymology texts: 0 100 Disambiguation of English entries with etymology trees: 0 100 Disambiguation of English entries with incorrect language header: 6 94 Disambiguation of English terms suffixed with -al: 17 83 Disambiguation of Entries with translation boxes: 0 100 Disambiguation of Pages using etymon with no ID: 0 100 Disambiguation of Pages with 2 entries: 0 100 Disambiguation of Pages with entries: 0 100 Disambiguation of Pages with etymology trees: 0 100 Disambiguation of Terms with Spanish translations: 0 100 Disambiguation of 'Translations': 0 100
The following are not (yet) sense-disambiguated
Derived forms: extensional definition, extensionalism, extensionalist, extensionality, extensionally, inextensional, nonextensional Related terms: intensional

Alternative forms

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  "derived": [
    {
      "_dis1": "0 0",
      "word": "extensional definition"
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      "_dis1": "0 0",
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    {
      "_dis1": "0 0",
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    {
      "_dis1": "0 0",
      "word": "extensionality"
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    {
      "_dis1": "0 0",
      "word": "extensionally"
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    {
      "_dis1": "0 0",
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      "_dis1": "0 0",
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  "etymology_templates": [
    {
      "args": {
        "1": "en",
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      },
      "expansion": "Etymology tree\nEnglish extension\nProto-Indo-European *h₂el-der.?\nProto-Italic *-ālis\nLatin -ālisbor.\nOld French -albor.\n▲\nLatin -ālis\nOld French -elbor.\n▲\nLatin -ālisbor.\nMiddle English -al\nEnglish -al\nEnglish extensional\n[Appendix:Glossary#loanword|Borrowed]] from\", \"terms\" : [ { \"id\" : \"forming adjectives\", \"children\" : [ { \"keyword_abbrev\" : \"bor.\", \"keyword_label\" : \"Borrowed from\", \"terms\" : [ { \"id\" : \"adjectivizing suffix\", \"children\" : [ { \"terms\" : [ { \"children\" : [ { \"keyword_abbrev\" : \"der.\", \"is_uncertain\" : true, \"keyword_label\" : \"Derived from\", \"terms\" : [ { \"id\" : \"grow\", \"children\" : [ ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*h₂el-\", \"lang\" : \"ine-pro\" } ], \"keyword\" : \"derived\" } ], \"lang_name\" : \"Proto-Italic\", \"term\" : \"*-ālis\", \"status\" : \"ok\", \"lang\" : \"itc-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Latin\", \"term\" : \"-ālis\", \"lang\" : \"la\" } ], \"keyword\" : \"bor\" } ], \"status\" : \"ok\", \"lang_name\" : \"Old French\", \"term\" : \"-al\", \"lang\" : \"fro\" }, { \"id\" : \"adjective\", \"children\" : [ { \"terms\" : [ { \"is_duplicate\" : true, \"id\" : \"adjectivizing suffix\", \"children\" : [ ], \"status\" : { \"1\" : \"la\", \"2\" : \":inh\", \"3\" : \"itc-pro:*-ālis\", \"id\" : \"adjectivizing suffix\", \"title\" : \"-ālis\", \"pos\" : \"suffix\" }, \"lang_name\" : \"Latin\", \"term\" : \"-ālis\", \"lang\" : \"la\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Old French\", \"term\" : \"-el\", \"lang\" : \"fro\" }, { \"is_duplicate\" : true, \"id\" : \"adjectivizing suffix\", \"children\" : [ ], \"status\" : { \"1\" : \"la\", \"2\" : \":inh\", \"3\" : \"itc-pro:*-ālis\", \"id\" : \"adjectivizing suffix\", \"title\" : \"-ālis\", \"pos\" : \"suffix\" }, \"lang_name\" : \"Latin\", \"term\" : \"-ālis\", \"lang\" : \"la\" } ], \"keyword\" : \"bor\" } ], \"status\" : \"ok\", \"lang_name\" : \"Middle English\", \"term\" : \"-al\", \"lang\" : \"enm\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"English\", \"term\" : \"-al\", \"status\" : \"ok\", \"lang\" : \"en\" } ], \"keyword_label\" : \"From\", \"is_group\" : true, \"keyword\" : \"affix\" } ], \"lang_name\" : \"English\", \"term\" : \"extensional\", \"status\" : \"ok\", \"lang\" : \"en\" }\" data-lang=\"en\" data-title=\"extensional\">\nFrom extension + -al.",
      "name": "ety"
    }
  ],
  "etymology_text": "Etymology tree\nEnglish extension\nProto-Indo-European *h₂el-der.?\nProto-Italic *-ālis\nLatin -ālisbor.\nOld French -albor.\n▲\nLatin -ālis\nOld French -elbor.\n▲\nLatin -ālisbor.\nMiddle English -al\nEnglish -al\nEnglish extensional\nFrom extension + -al.",
  "head_templates": [
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      "expansion": "extensional (not comparable)",
      "name": "en-adj"
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "_dis1": "0 0",
      "word": "intensional"
    }
  ],
  "senses": [
    {
      "categories": [],
      "examples": [
        {
          "ref": "2011 July 20, Edwin Mares, “Propositional Functions”, in The Stanford Encyclopedia of Philosophy, retrieved 15 Jul 2012:",
          "text": "In both the intensional and extensional logic traditions, we see theories of complex terms. In the extensional tradition, disjunctive and conjunctive terms are interpreted by taking the union and intersection of classes. The conjunctive term AB is interpreted as the intersection of the class A and the class B and the extension of the disjunctive term A+B is understood as the union of the extensions of A and B.\n In the intensional tradition, the reverse holds. The term AB is interpreted as the union of the properties in the intent of A and the intent of B and A+B is interpreted as the intersection of the properties in A and B. This reversal makes sense, since more things fit a smaller number of properties and fewer things fit a larger number of properties.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Of or pertaining to extension."
      ],
      "id": "en-extensional-en-adj-B0LPmj7G",
      "links": [
        [
          "extension",
          "extension"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    },
    {
      "categories": [
        {
          "_dis": "14 86",
          "kind": "other",
          "name": "English entries referencing missing etymons",
          "parents": [],
          "source": "w+disamb"
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          "_dis": "0 100",
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          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "17 83",
          "kind": "other",
          "name": "English terms suffixed with -al",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "0 100",
          "kind": "other",
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          "parents": [],
          "source": "w+disamb"
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        {
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          "kind": "other",
          "name": "Pages using etymon with no ID",
          "parents": [],
          "source": "w+disamb"
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        {
          "_dis": "0 100",
          "kind": "other",
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          "source": "w+disamb"
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          "kind": "other",
          "name": "Terms with Spanish translations",
          "parents": [],
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      ],
      "glosses": [
        "Having great extent."
      ],
      "id": "en-extensional-en-adj-oZATpBMm",
      "links": [
        [
          "extent",
          "extent"
        ]
      ],
      "tags": [
        "not-comparable"
      ],
      "translations": [
        {
          "_dis1": "0 100",
          "code": "es",
          "lang": "Spanish",
          "lang_code": "es",
          "sense": "Translations",
          "word": "extensional"
        }
      ]
    }
  ],
  "word": "extensional"
}
{
  "categories": [
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    "English entries referencing missing etymons",
    "English entries with etymology texts",
    "English entries with etymology trees",
    "English entries with incorrect language header",
    "English lemmas",
    "English terms derived from the Proto-Indo-European root *h₂el- (grow)",
    "English terms suffixed with -al",
    "English uncomparable adjectives",
    "Entries with translation boxes",
    "Pages using etymon with no ID",
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    "Pages with entries",
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      "word": "extensional definition"
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    {
      "word": "extensionalism"
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    {
      "word": "extensionalist"
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    {
      "word": "extensionality"
    },
    {
      "word": "extensionally"
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    {
      "word": "inextensional"
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  "etymology_templates": [
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      "expansion": "Etymology tree\nEnglish extension\nProto-Indo-European *h₂el-der.?\nProto-Italic *-ālis\nLatin -ālisbor.\nOld French -albor.\n▲\nLatin -ālis\nOld French -elbor.\n▲\nLatin -ālisbor.\nMiddle English -al\nEnglish -al\nEnglish extensional\n[Appendix:Glossary#loanword|Borrowed]] from\", \"terms\" : [ { \"id\" : \"forming adjectives\", \"children\" : [ { \"keyword_abbrev\" : \"bor.\", \"keyword_label\" : \"Borrowed from\", \"terms\" : [ { \"id\" : \"adjectivizing suffix\", \"children\" : [ { \"terms\" : [ { \"children\" : [ { \"keyword_abbrev\" : \"der.\", \"is_uncertain\" : true, \"keyword_label\" : \"Derived from\", \"terms\" : [ { \"id\" : \"grow\", \"children\" : [ ], \"status\" : \"ok\", \"lang_name\" : \"Proto-Indo-European\", \"term\" : \"*h₂el-\", \"lang\" : \"ine-pro\" } ], \"keyword\" : \"derived\" } ], \"lang_name\" : \"Proto-Italic\", \"term\" : \"*-ālis\", \"status\" : \"ok\", \"lang\" : \"itc-pro\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Latin\", \"term\" : \"-ālis\", \"lang\" : \"la\" } ], \"keyword\" : \"bor\" } ], \"status\" : \"ok\", \"lang_name\" : \"Old French\", \"term\" : \"-al\", \"lang\" : \"fro\" }, { \"id\" : \"adjective\", \"children\" : [ { \"terms\" : [ { \"is_duplicate\" : true, \"id\" : \"adjectivizing suffix\", \"children\" : [ ], \"status\" : { \"1\" : \"la\", \"2\" : \":inh\", \"3\" : \"itc-pro:*-ālis\", \"id\" : \"adjectivizing suffix\", \"title\" : \"-ālis\", \"pos\" : \"suffix\" }, \"lang_name\" : \"Latin\", \"term\" : \"-ālis\", \"lang\" : \"la\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"status\" : \"ok\", \"lang_name\" : \"Old French\", \"term\" : \"-el\", \"lang\" : \"fro\" }, { \"is_duplicate\" : true, \"id\" : \"adjectivizing suffix\", \"children\" : [ ], \"status\" : { \"1\" : \"la\", \"2\" : \":inh\", \"3\" : \"itc-pro:*-ālis\", \"id\" : \"adjectivizing suffix\", \"title\" : \"-ālis\", \"pos\" : \"suffix\" }, \"lang_name\" : \"Latin\", \"term\" : \"-ālis\", \"lang\" : \"la\" } ], \"keyword\" : \"bor\" } ], \"status\" : \"ok\", \"lang_name\" : \"Middle English\", \"term\" : \"-al\", \"lang\" : \"enm\" } ], \"keyword_label\" : \"Inherited from\", \"keyword\" : \"inherited\" } ], \"lang_name\" : \"English\", \"term\" : \"-al\", \"status\" : \"ok\", \"lang\" : \"en\" } ], \"keyword_label\" : \"From\", \"is_group\" : true, \"keyword\" : \"affix\" } ], \"lang_name\" : \"English\", \"term\" : \"extensional\", \"status\" : \"ok\", \"lang\" : \"en\" }\" data-lang=\"en\" data-title=\"extensional\">\nFrom extension + -al.",
      "name": "ety"
    }
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  "etymology_text": "Etymology tree\nEnglish extension\nProto-Indo-European *h₂el-der.?\nProto-Italic *-ālis\nLatin -ālisbor.\nOld French -albor.\n▲\nLatin -ālis\nOld French -elbor.\n▲\nLatin -ālisbor.\nMiddle English -al\nEnglish -al\nEnglish extensional\nFrom extension + -al.",
  "head_templates": [
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      "expansion": "extensional (not comparable)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "related": [
    {
      "word": "intensional"
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  ],
  "senses": [
    {
      "categories": [
        "English terms with quotations"
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      "examples": [
        {
          "ref": "2011 July 20, Edwin Mares, “Propositional Functions”, in The Stanford Encyclopedia of Philosophy, retrieved 15 Jul 2012:",
          "text": "In both the intensional and extensional logic traditions, we see theories of complex terms. In the extensional tradition, disjunctive and conjunctive terms are interpreted by taking the union and intersection of classes. The conjunctive term AB is interpreted as the intersection of the class A and the class B and the extension of the disjunctive term A+B is understood as the union of the extensions of A and B.\n In the intensional tradition, the reverse holds. The term AB is interpreted as the union of the properties in the intent of A and the intent of B and A+B is interpreted as the intersection of the properties in A and B. This reversal makes sense, since more things fit a smaller number of properties and fewer things fit a larger number of properties.",
          "type": "quotation"
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      "glosses": [
        "Of or pertaining to extension."
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      "links": [
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        "not-comparable"
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    {
      "glosses": [
        "Having great extent."
      ],
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          "extent"
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        "not-comparable"
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  "translations": [
    {
      "code": "es",
      "lang": "Spanish",
      "lang_code": "es",
      "sense": "Translations",
      "word": "extensional"
    }
  ],
  "word": "extensional"
}

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This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2026-06-07 from the enwiktionary dump dated 2026-06-01 using wiktextract (e79dea5 and 7f4db16). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

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