[kong-groo-uh ns, kuh n-groo-, kuh ng-]
  1. the quality or state of agreeing or corresponding.
  2. Mathematics. a relation between two numbers indicating that the numbers give the same remainder when divided by some given number.Compare residue(def 4b).

Origin of congruence

1400–50; late Middle English < Latin congruentia, derivative of congruent- congruent; see -ence
Related formsnon·con·gru·ence, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for non-congruence

Historical Examples of non-congruence

British Dictionary definitions for non-congruence


congruency (ˈkɒŋɡrʊənsɪ)

  1. the quality or state of corresponding, agreeing, or being congruent
  2. maths the relationship between two integers, x and y, such that their difference, with respect to another positive integer called the modulus, n, is a multiple of the modulus. Usually written xy (mod n), as in 2511 (mod 7)
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 non-congruence



mid-15c., from Latin congruentia "agreement, harmony, congruity," from congruentem (nominative congruens), present participle of congruere "to come together" (see congruent). Related: Congruency.

Online Etymology Dictionary, © 2010 Douglas Harper