Search Result for "quadric": 
Wordnet 3.0

NOUN (1)

1. a curve or surface whose equation (in Cartesian coordinates) is of the second degree;
[syn: quadric, quadric surface]


The Collaborative International Dictionary of English v.0.48:

Quadric \Quad"ric\, a. (Math.) Of or pertaining to the second degree. [1913 Webster]
The Collaborative International Dictionary of English v.0.48:

Quadric \Quad"ric\, n. (a) (Alg.) A quantic of the second degree. See Quantic. (b) (Geom.) A surface whose equation in three variables is of the second degree. Spheres, spheroids, ellipsoids, paraboloids, hyperboloids, also cones and cylinders with circular bases, are quadrics. [1913 Webster]
WordNet (r) 3.0 (2006):

quadric n 1: a curve or surface whose equation (in Cartesian coordinates) is of the second degree [syn: quadric, quadric surface]