Adjacent Words

invariant definitions

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WordNet (r) 3.0 (2005)

adj
1: unaffected by a designated operation or transformation
2: unvarying in nature; "maintained a constant temperature"; "principles of unvarying validity" [syn: changeless, constant, invariant, unvarying] n
1: a feature (quantity or property or function) that remains unchanged when a particular transformation is applied to it

Merriam Webster's

adjective Date: 1874 constant, unchanging; specifically unchanged by specified mathematical or physical operations or transformations <invariant factor> • invariant noun

Oxford Reference Dictionary

adj. & n. --adj. invariable. --n. Math. a function which remains unchanged when a specified transformation is applied. Derivatives: invariance n.

Webster's 1913 Dictionary

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