/ Dictionary / Index S sarcosine: Meaning and Definition of Find definitions for: sar•co•sine Pronunciation: (sär'ku-sēn", -sin), [key] — n. Chem. a crystalline compound, CHNO, with a sweet taste, soluble in water, slightly soluble in alcohol: used in the manufacture of toothpaste, cosmetics, and pharmaceuticals. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sarcosine (Thesaurus) sarcoptic mange sarcosome Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language