identity
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English
Etymology
From Middle French identité, from Latin identitās.
Pronunciation
- (Received Pronunciation) IPA(key): /aɪˈdɛntɪti/
- (General American) IPA(key): /aɪˈdɛn(t)ɪti/, /aɪˈdɛn(t)əti/, ,
- (General Australian) IPA(key): /ɑɪˈdentəti/
Audio (General Australian): (file)
Audio (US): (file)
Noun
identity (countable and uncountable, plural identities)
- Sameness, identicalness; the quality or fact of (several specified things) being the same.
- Synonyms: see Thesaurus:sameness
- Coordinate terms: equivalence; similarity
- 1997, “Hydrothermal Vent Fauna”, in Advances in Marine Biology: The Biogeography of the Oceans, page 111:
- […] suggesting the two are different stages of the same species. The identity of the two species is further suggested by allozyme analysis […]
- The difference or character that marks off an individual or collective from the rest of the same kind; selfhood; the sense of who something or someone or oneself is, or the recurring characteristics that enable the recognition of such an individual or group by others or themselves.
- Synonyms: individuality; see also Thesaurus:selfhood
- I've been through so many changes, I have no sense of identity.
- This nation has a strong identity.
- (The addition of quotations indicative of this usage is being sought:)
- A name or persona—a mask or appearance one presents to the world—by which one is known.
- This criminal has taken on several identities.
- In this show, the competitor's identity will remain secret until after the vote.
- (mathematics) An equation which always holds true regardless of the choice of input variables.
- Synonym: identity function
- The equation (x+y)(x−y) = x2−y2 is an algebraic identity. It is true regardless of the values of x and y.
- (algebra, computing) Any function which maps all elements of its domain to themselves.
- (algebra) An element of an algebraic structure which, when applied to another element under an operation in that structure, yields this second element.
- Zero is the identity for the addition of real numbers.
- (Australia, New Zealand) A well-known or famous person.
- Synonyms: celebrity, personality
- 2013 April 4, “Cricket identities consult lawyers”, in New Zealand Herald:
- 2016 January 13, “Kings Cross identities arrested in connection with murder”, in The Sydney Morning Herald:
Hyponyms
Derived terms
- Abel-Jacobi-Liouville identity
- Abel's identity
- age identity
- amputee identity disorder
- Bézout's identity
- bioidentity
- body integrity identity disorder
- Capelli's identity
- coidentity
- cultural identity
- cyberidentity
- de Moivre's identity
- dissociative identity disorder
- e-identity
- Euler's identity
- gender identity disorder
- gender identity syndrome
- identicard
- identicide
- identicon
- identitarian
- identity broker
- identity card
- identity crisis
- identity death
- identity document
- identity functor
- identityless
- identity matrix
- identity morphism
- identity of indiscernibles
- identity parade
- identity police
- identity policing
- identity politician
- identity politics
- identity property
- identity provider
- identity restoration
- identity theft
- Jacobi identity
- law of identity
- misidentity
- nonidentity
- Pythagorean trigonometric identity
- self-identity
- standard of identity
- steal someone's identity
- subidentity
- transidentity
- trig identity
- trigonometric identity
- Weinstein-Aronszajn identity
Related terms
Translations
the difference or character that marks off an individual or group from the rest
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name or persona
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a mathematical equation that holds true irrespective of input elements.
algebra: function — see identity function
algebra: element — see identity element
- The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.
Translations to be checked
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References
- “identity”, in OneLook Dictionary Search.
- identity in Keywords for Today: A 21st Century Vocabulary, edited by The Keywords Project, Colin MacCabe, Holly Yanacek, 2018.
- William Dwight Whitney, Benjamin E Smith, editors (1911), “identity”, in The Century Dictionary , New York, N.Y.: The Century Co., →OCLC.
- “identity”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.