/ Dictionary / Index H hypersurface: Meaning and Definition of Find definitions for: hy•per•sur•face Pronunciation: (hī'pur-sûr"fis), [key] — n. a mathematical object that generalizes the concept of surface from three-dimensional Euclidean space to hyperspace. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hypersthene hypersusceptible Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language