invariant

[in-vair-ee-uh nt]
See more synonyms for invariant on Thesaurus.com
noun
  1. Mathematics. a quantity or expression that is constant throughout a certain range of conditions.

Origin of invariant

First recorded in 1850–55; in-3 + variant
Related formsin·var·i·ant·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018


Examples from the Web for invariant

Historical Examples of invariant


British Dictionary definitions for invariant

invariant

noun
  1. maths an entity, quantity, etc, that is unaltered by a particular transformation of coordinatesa point in space, rather than its coordinates, is an invariant
adjective
  1. maths (of a relationship or a property of a function, configuration, or equation) unaltered by a particular transformation of coordinates
  2. a rare word for invariable
Derived Formsinvariance or invariancy, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for invariant
adj.

1851, from in- (1) "not" + variant.

Online Etymology Dictionary, © 2010 Douglas Harper