/ Dictionary / Index G glyceryl group: Meaning and Definition of Find definitions for: glyc'eryl group" Pronunciation: [key] the trivalent group (CH)−, derived from glycerol. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. glyceryl glyceryl monoacetate Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language