INVARIANT

changeless, constant, invariant, unvarying

(adjective) unvarying in nature; “maintained a constant temperature”; “principles of unvarying validity”

invariant

(adjective) unaffected by a designated operation or transformation

invariant

(noun) a feature (quantity or property or function) that remains unchanged when a particular transformation is applied to it

Source: WordNet® 3.1

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Etymology

Adjective

invariant (comparative more invariant, superlative most invariant)

not varying; constant

(mathematics) Unaffected by a specified operation (especially by a transformation)

(computing, programming) Neither covariant nor contravariant.

Synonyms

• (not varying): invariable

Noun

invariant (plural invariants)

An invariant quantity, function etc.

Source: Wiktionary

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In*va"ri*ant, n. (Math.)

Definition: An invariable quantity; specifically, a function of the coefficients of one or more forms, which remains unaltered, when these undergo suitable linear transformations. J. J. Sylvester.

Source: Webster’s Unabridged Dictionary 1913 Edition

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