/ Dictionary / Index H hexahydroxy: Meaning and Definition of Find definitions for: hex•a•hy•drox•y Pronunciation: (hek"su-hī-drok'sē), [key] — adj. (of a molecule) containing six hydroxyl groups. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hexahydrothymol hexahydroxycyclohexane Related Content Daily Word Quiz: menagerie Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language