IDENTITY

identity, personal identity, individuality

(noun) the distinct personality of an individual regarded as a persisting entity; “you can lose your identity when you join the army”

identity, identicalness, indistinguishability

(noun) exact sameness; “they shared an identity of interests”

identity

(noun) the individual characteristics by which a thing or person is recognized or known; “geneticists only recently discovered the identity of the gene that causes it”; “it was too dark to determine his identity”; “she guessed the identity of his lover”

identity, identity element, identity operator

(noun) an operator that leaves unchanged the element on which it operates; “the identity under numerical multiplication is 1”

Source: WordNet® 3.1


Etymology

Noun

identity (countable and uncountable, plural identities)

Sameness, identicalness; the quality or fact of (several specified things) being the same.

The difference or character that marks off an individual from the rest of the same kind, selfhood.

A name or persona—the mask or appearance one presents to the world—by which one is known.

Sense of who one is.

(mathematics) An equation which always holds true regardless of the choice of input variables.

(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.

(Australia, NZ) A well-known or famous person.

Synonyms

• (sameness): See also sameness

• (difference that marks off an individual): individuality, selfhood; see also selfhood

• (mathematical function): identity function

• (famous person): celebrity, personality

Source: Wiktionary


I*den"ti*ty, n.; pl. Identities. Etym: [F. identité, LL. identitas, fr. L. idem the same, from the root of is he, that; cf. Skr. idam this. Cf. Item.]

1. The state or quality of being identical, or the same; sameness. Identity is a relation between our cognitions of a thing, not between things themselves. Sir W. Hamilton.

2. The condition of being the same with something described or asserted, or of possessing a character claimed; as, to establish the identity of stolen goods.

3. (Math.)

Definition: An identical equation.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

18 September 2024

FANJET

(noun) a jet engine in which a fan driven by a turbine provides extra air to the burner and gives extra thrust


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