con‧gru‧ent /ˈkɒŋɡruənt $ ˈkɑːŋ-/
adjective[
Date: 1400-1500;
Language: Latin;
Origin: present participle of congruere 'to come together, agree']
1. formal fitting together well
2. technical congruent
triangles are the same size and shape
—congruence noun [uncountable] [TahlilGaran] Dictionary of Contemporary English ▲