/ Dictionary / Index B benzyl group: Meaning and Definition of Find definitions for: ben'zyl group" Pronunciation: [key] — Chem. Chem. the univalent group CH–, derived from toluene. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. benzyl fluoride benzylidene Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language