/ Dictionary / Index G glycerin: Meaning and Definition of Find definitions for: glyc•er•in Pronunciation: (glis'ur-in), [key] — n. Chem. glycerol. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: glycerin (Thesaurus) glyceride glycerinate 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