quaternity () :
Sinonime: -nouns
quaternity, four, tetrad, quartet, quaternion, square, quarter; tetract, tetragon., quadrangle, quadrature, quadfifoil, quadfiform, quadruplet; quatrefoil.
-verbs
reduce to a square, square.
-adjectives
four; quaternary, quaternal; quadratic; quartile; tetract, tetractic, tetractinal; tetrad, tetragonal.