"injective" meaning in English

See injective in All languages combined, or Wiktionary

Adjective

IPA: /ɪnˈd͡ʒɛktɪv/ Audio: en-us-injective.ogg [US]
Rhymes: -ɛktɪv Etymology: This term was introduced by Nicolas Bourbaki in his treatise Éléments de mathématique. Head templates: {{en-adj|-}} injective (not comparable)
  1. (mathematics) Of, relating to, or being an injection: such that each element of the image (or range) is associated with at most one element of the preimage (or domain); inverse-deterministic Tags: not-comparable Categories (topical): Mathematics Synonyms: one-to-one Translations (inverse-deterministic): injectiu (Catalan), 內射的 (Chinese Mandarin), 内射的 (nèishède) (Chinese Mandarin), 单射的 (dānshède) (Chinese Mandarin), prostý (Czech), injektivní (Czech), injektiv (Danish), injektiivinen (Finnish), injectif (French), injektiv (German), αμφιμονότιμη (amfimonótimi) (Greek), eintækur [masculine] (Icelandic), inteilgeach (Irish), 入射の (nyuushyano) (alt: にゅうしゃの) (Japanese), 単射の (tannshano) (alt: たんしゃの) (Japanese), różnowartościowa [feminine] (Polish), injetivo (Portuguese), injectiv (Romanian), инъекти́вный (inʺjektívnyj) (Russian), inyectivo (Spanish), injektiv (Swedish)
    Sense id: en-injective-en-adj-Lv-yL75F Topics: mathematics, sciences Disambiguation of 'inverse-deterministic': 68 9 18 5
  2. (algebra, module theory, of a (left) module M over a ring R) Loosely, having a certain generalizing property, abstracted from the study of ℚ as a ℤ-module. Formally, such that any short exact sequence of (left) R-modules beginning with M splits, or any of several equivalent statements: See Injective module. Tags: not-comparable Categories (topical): Algebra
    Sense id: en-injective-en-adj-ea7SQ2vu Topics: algebra, mathematics, sciences
  3. (category theory, most generally, of a object Q in a category C) Loosely, having a property analogous to that which characterizes projective modules (see above). Formally, such that, given a monomorphism f:X→Y in C, for every morphism g:X→Q there exists a morphism h:Y→Q such that h∘f=g; see Injective object. Tags: not-comparable Categories (topical): Category theory
    Sense id: en-injective-en-adj-jk717GXb Categories (other): English entries with incorrect language header Disambiguation of English entries with incorrect language header: 14 29 45 12 Topics: category-theory, computing, engineering, mathematics, natural-sciences, physical-sciences, sciences
  4. (homological algebra, of a resolution) Such that the objects (usually modules) involved in the resolution are injective (in the algebraic senses above). Tags: not-comparable
    Sense id: en-injective-en-adj-hr07Pwns
The following are not (yet) sense-disambiguated
Derived forms: injective cogenerator, injective dimension, injective function, injective hull, injective map, injective module, injective object, injective patch, injective sheaf Related terms: injectal, injectively, bijective, surjective

Download JSON data for injective meaning in English (8.2kB)

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          "_dis1": "68 9 18 5",
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          "_dis1": "68 9 18 5",
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          "code": "fi",
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        {
          "_dis1": "68 9 18 5",
          "code": "fr",
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          "_dis1": "68 9 18 5",
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          "_dis1": "68 9 18 5",
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          "word": "injetivo"
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    {
      "code": "ca",
      "lang": "Catalan",
      "sense": "inverse-deterministic",
      "word": "injectiu"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "inverse-deterministic",
      "word": "內射的"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "nèishède",
      "sense": "inverse-deterministic",
      "word": "内射的"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "dānshède",
      "sense": "inverse-deterministic",
      "word": "单射的"
    },
    {
      "code": "cs",
      "lang": "Czech",
      "sense": "inverse-deterministic",
      "word": "prostý"
    },
    {
      "code": "cs",
      "lang": "Czech",
      "sense": "inverse-deterministic",
      "word": "injektivní"
    },
    {
      "code": "da",
      "lang": "Danish",
      "sense": "inverse-deterministic",
      "word": "injektiv"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "inverse-deterministic",
      "word": "injektiivinen"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "inverse-deterministic",
      "word": "injectif"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "inverse-deterministic",
      "word": "injektiv"
    },
    {
      "code": "el",
      "lang": "Greek",
      "roman": "amfimonótimi",
      "sense": "inverse-deterministic",
      "word": "αμφιμονότιμη"
    },
    {
      "code": "is",
      "lang": "Icelandic",
      "sense": "inverse-deterministic",
      "tags": [
        "masculine"
      ],
      "word": "eintækur"
    },
    {
      "code": "ga",
      "lang": "Irish",
      "sense": "inverse-deterministic",
      "word": "inteilgeach"
    },
    {
      "alt": "にゅうしゃの",
      "code": "ja",
      "lang": "Japanese",
      "roman": "nyuushyano",
      "sense": "inverse-deterministic",
      "word": "入射の"
    },
    {
      "alt": "たんしゃの",
      "code": "ja",
      "lang": "Japanese",
      "roman": "tannshano",
      "sense": "inverse-deterministic",
      "word": "単射の"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "inverse-deterministic",
      "tags": [
        "feminine"
      ],
      "word": "różnowartościowa"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "inverse-deterministic",
      "word": "injetivo"
    },
    {
      "code": "ro",
      "lang": "Romanian",
      "sense": "inverse-deterministic",
      "word": "injectiv"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "inʺjektívnyj",
      "sense": "inverse-deterministic",
      "word": "инъекти́вный"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "inverse-deterministic",
      "word": "inyectivo"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "inverse-deterministic",
      "word": "injektiv"
    }
  ],
  "wikipedia": [
    "Nicolas Bourbaki"
  ],
  "word": "injective"
}

This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2024-04-26 from the enwiktionary dump dated 2024-04-21 using wiktextract (93a6c53 and 21a9316). 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.

If you use this data in academic research, please cite Tatu Ylonen: Wiktextract: Wiktionary as Machine-Readable Structured Data, Proceedings of the 13th Conference on Language Resources and Evaluation (LREC), pp. 1317-1325, Marseille, 20-25 June 2022. Linking to the relevant page(s) under https://kaikki.org would also be greatly appreciated.