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Free English Dictionary

Definition of Quadric

  • [a.] - Of or pertaining to the second degree.
  • [n.] - A quantic of the second degree. See Quantic.
  • [n.] - 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.