Main Entry: con·gru·ent

Pronunciation: \kən-ˈgrü-ənt, ˈkäŋ-grü-ənt\

Function: adjective

Etymology: Middle English, from Latin congruent-, congruens, present participle of congruere

Date: 15th century

1 : congruous
2 : superposable so as to be coincident throughout
3 : having the difference divisible by a given modulus <12 is congruent to 2 (modulo 5) since 12−2=2·5>

— con·gru·ent·ly adverb