[ kong-groo-uh ns, kuh n-groo-, kuh ng- ]
/ ˈkɒŋ gru əns, kənˈgru-, kəŋ- /


the quality or state of agreeing or corresponding.
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 forms

non·con·gru·ence, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for congruence

British Dictionary definitions for congruence


congruency (ˈkɒŋɡrʊənsɪ)

/ (ˈkɒŋɡrʊəns) /


the quality or state of corresponding, agreeing, or being congruent
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