/ Dictionary / Index Q quadric: Meaning and Definition of Find definitions for: quad•ric Pronunciation: (kwod'rik), [key] — Math. Math. —adj. of the second degree (said esp. of functions with more than two variables). —n. a quadric function. 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. See also: quadric (Thesaurus) quadriad quadricentennial Related Content Daily Word Quiz: beseech Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language