/ Dictionary / Index G glycine: Meaning and Definition of Find definitions for: gly•cine Pronunciation: (glī'sēn, glī-sēn'), [key] — n. Biochem. a colorless, crystalline, sweet, water-soluble solid, HNCHCOOH, the simplest amino acid: used chiefly in organic synthesis and biochemical research. Abbr.: Gly; Symbol: &hasp;G Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: glycine (Thesaurus) glyceryl tripalmitate glyco- 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