/ Dictionary / Index G glyceraldehyde: Meaning and Definition of Find definitions for: glyc•er•al•de•hyde Pronunciation: (glis"u-ral'du-hīd"), [key] — n. Biochem. a white, crystalline, water-soluble solid, CHO, that is an intermediate in carbohydrate metabolism and yields glycerol on reduction. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: glyceraldehyde (Thesaurus) glycemia glyceric Related Content Daily Word Quiz: pristine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language