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[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
late Middle English
1400-50; late Middle English < Latin congruentia, derivative of congruent- congruent; see -ence
Related forms
noncongruence, noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for congruence
Contemporary Examples
Historical Examples
  • This is the reason for placing it by itself, followed by the congruence theorems.

    The Teaching of Geometry David Eugene Smith
  • The aim of this lecture is to establish a theory of congruence.

    The Concept of Nature Alfred North Whitehead
  • You must understand at once that congruence is a controversial question.

    The Concept of Nature Alfred North Whitehead
  • Finally the sixth axiom of congruence is that the relation of congruence is transitive.

    The Concept of Nature Alfred North Whitehead
  • The source of order has already been indicated and that of congruence is now found.

    The Concept of Nature Alfred North Whitehead
  • The meaning of congruence lies beyond the self-identity of the object.

    The Concept of Nature Alfred North Whitehead
  • This lack of congruence between the mental picture and the object itself is necessary for obvious reasons.

    The Mystery of Space Robert T. Browne
  • The congruence of the Spirit and the body of the Church, if it occurs, is purely accidental.

  • congruence means a close match between what you feel and how you think and act.

British Dictionary definitions for congruence


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
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Word Origin and History for 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
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