/ Dictionary / Index F fructoside: Meaning and Definition of Find definitions for: fruc•to•side Pronunciation: (fruk'tu-sīd", frook'-, frk'-), [key] — n. Biochem. a glycoside that yields fructose upon hydrolysis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fructose fructuous Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language