# congruent

[ kong-groo-uh nt, kuh n-groo-, kuh ng- ]

/ ˈkɒŋ gru ənt, kənˈgru-, kəŋ- /

### adjective

agreeing; accordant; congruous.

Mathematics. of or relating to two numbers related by a congruence.

Geometry. coinciding at all points when superimposed: congruent triangles.

## RELATED WORDS

## Nearby words

## Origin of congruent

Related formscon·gru·ent·ly, adverbnon·con·gru·ent, adjectivenon·con·gru·ent·ly, adverb

Can be confusedcongruous congruent incongruous incongruent

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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

## Examples from the Web for congruent

## British Dictionary definitions for congruent

## congruent

/ (ˈkɒŋɡrʊənt) /

### adjective

agreeing; corresponding; congruous

having identical shapes so that all parts correspondcongruent triangles Compare similar (def. 2)

of or concerning two integers related by a congruence

Derived Formscongruently, adverb

## Word Origin for congruent

C15: from Latin congruere to meet together, agree

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 congruent

## congruent

early 15c., "suitable, proper," from Latin congruentem (nominative congruens) "agreeing, fit, suitable," present participle of congruere, literally "to come together, agree, correspond with," from com- "with" (see com-) + a lost verb *gruere, *ruere "fall, rush," perhaps from PIE *ghrei- "to rub, grind" (see chrism). Geometry sense attested by 1706.

Online Etymology Dictionary, © 2010 Douglas Harper

## Science definitions for congruent

## congruent

[ kŏng′grōō-ənt, kən-grōō′ənt ]

Relating to geometric figures that have the same size and shape. Two triangles are congruent, for example, if their sides are of the same length and their internal angles are of the same measure.

The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.