'Quadratic' definitions:
Definition of 'quadratic'
From: WordNet
adjective
Of or relating to or resembling a square; "quadratic shapes"
adjective
Of or relating to the second power; "quadratic equation"
noun
An equation in which the highest power of an unknown quantity is a square [syn: quadratic equation, quadratic]
noun
A polynomial of the second degree [syn: quadratic, quadratic polynomial]
Definition of 'Quadratic'
From: GCIDE
- Quadratic \Quad*rat"ic\, a. [Cf. F. quadratique.] [1913 Webster]
- 1. Of or pertaining to a square, or to squares; resembling a quadrate, or square; square. [1913 Webster]
- 2. (Crystallog.) Tetragonal. [1913 Webster]
- 3. (Alg.) Pertaining to terms of the second degree; as, a quadratic equation, in which the highest power of the unknown quantity is a square. [1913 Webster]