/ Dictionary / Index A acrylyl group: Meaning and Definition of Find definitions for: ac'rylyl group" Pronunciation: [key] — Chem. Chem. the univalent group CHO−, derived from acrylic acid. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. acrylyl A.C.S. Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language