Meaning of quadric

quad•ric

Pronunciation: (kwod'rik), [key]
— Math. Math.
—adj.
  1. of the second degree (said esp. of functions with more than two variables).
—n.
  1. a quadric function.
  2. a surface such as an ellipsoid or paraboloid as defined by a second-degree equation in three real variables.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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