/ Dictionary / Index H hexose: Meaning and Definition of Find definitions for: hex•ose Pronunciation: (hek'sōs), [key] — n. any of a class of sugars containing six atoms of carbon, including glucose and fructose. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hexose (Thesaurus) hexosan hex sign Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language