quadric Meaning, Definition & Usage

  1. noun a curve or surface whose equation (in Cartesian coordinates) is of the second degree
    quadric surface.

WordNet


Quad"ric adjective
Definitions
  1. (Math.) Of or pertaining to the second degree.
Quad"ric noun
Definitions
  1. (Alg.) A quantic of the second degree. See Quantic.
  2. (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.

Webster 1913