Quadratic
Pronunciation : Quad*rat"ic
Part of Speech : a.
Etymology : [Cf. F. quadratique.]
Definition : 1. Of or pertaining to a square, or to squares; resembling a quadrate, or square; square.
2. (Crystallog.)
Defn: Tetragonal.
3. (Alg.)
Defn: Pertaining to terms of the second degree; as, a quadratic equation, in which the highest power of the unknown quantity is a square.
Source : Webster's Unabridged Dictionary, 1913