/ Dictionary / Index H hexanitrate: Meaning and Definition of Find definitions for: hex•a•ni•trate Pronunciation: (hek"su-nī'trāt), [key] — n. any compound containing six nitrate groups. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hexangular hexanoic acid Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language