Congruence

Origin

Middle English, from Latin congruentia ("agreement"), from congruēns, present active participle of congruō ("meet together, agree").

Full definition of congruence

Noun

1. The quality of agreeing or corresponding; being suitable and appropriate.
2. (mathematics, number theory) a relation between two numbers indicating they give the same remainder when divided by some given number
3. (mathematics, geometry) being isometric — roughly, the same size and shape
4. (algebra) more generally: any equivalence relation defined on an algebraic structure which is preserved by operation defined by the structure

Synonyms

• congruency, congruity

Related terms

• congruent