/ Dictionary / Index R raffinose: Meaning and Definition of Find definitions for: raf•fi•nose Pronunciation: (raf'u-nōs"), [key] — n. Biochem. a colorless, crystalline trisaccharide, CHO&multiplydot;5HO, with little or no sweetness, occurring in the sugar beet, cottonseed, etc., and breaking down to fructose, glucose, and galactose on hydrolysis. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: raffinose (Thesaurus) raffinate raffish Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language