/ Dictionary / Index G glycogen: Meaning and Definition of Find definitions for: gly•co•gen Pronunciation: (glī'ku-jun, -jen"), [key] — n. Biochem. a white, tasteless polysaccharide, (CHO), molecularly similar to starch, constituting the principal carbohydrate storage material in animals and occurring chiefly in the liver, in muscle, and in fungi and yeasts. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: glycogen (Thesaurus) glyco- glycogenesis Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language