definitions
• synonyms

# congruence

[kong-groo-uh ns, kuh n-groo-, kuh ng-]
See more synonyms on Thesaurus.com
noun
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 .css-1fxfie5{font-size:22px;}@media (max-width:768px){.css-1fxfie5{font-size:18px;margin:0 10px 10px 0;word-break:break-all;word-wrap:break-word;-webkit-hyphens:auto;-moz-hyphens:auto;-ms-hyphens:auto;hyphens:auto;line-height:22px;}}congruence

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

## Examples from the Web for congruence

### 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

• #### You must understand at once that congruence is a controversial question.

The Concept of Nature

• #### Finally the sixth axiom of congruence is that the relation of congruence is transitive.

The Concept of Nature

• #### The source of order has already been indicated and that of congruence is now found.

The Concept of Nature

British Dictionary definitions for congruence

# congruence

### congruency (ˈkɒŋɡrʊənsɪ)

noun
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 forcongruence

### n.

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