'Quadric' definitions:
Definition of 'quadric'
(from WordNet)
noun
A curve or surface whose equation (in Cartesian coordinates) is of the second degree [syn: quadric, quadric surface]
Definition of 'Quadric'
From: GCIDE
- Quadric \Quad"ric\, a. (Math.) Of or pertaining to the second degree. [1913 Webster]
Definition of 'Quadric'
From: GCIDE
- 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]