/ Dictionary / Index G glucosin: Meaning and Definition of Find definitions for: glu•co•sin Pronunciation: (gl'kō-sin), [key] — n. Biochem. any of a class of compounds, some of which are highly toxic, derived from reactions of glucose with ammonia. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. glucoside glucosuria Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language