Definitions for: Quadratic
[n] a polynomial of the second degree
[n] an equation in which the highest power of an unknown quantity is a square
[adj] of or relating to the second power; "quadratic equation"
[adj] of or relating to or resembling a square; "quadratic shapes"
Webster (1913) Definition: Quad*rat"ic, a. [Cf. F. quadratique.]
1. Of or pertaining to a square, or to squares; resembling a
quadrate, or square; square.
2. (Crystallog.) Tetragonal.
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.
Synonyms: quadratic equation, quadratic polynomial
See Also: equation, polynomial
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