/ Dictionary / Index A acrylaldehyde: Meaning and Definition of Find definitions for: ac•ryl•al•de•hyde Pronunciation: (ak"ril-al'du-hīd"), [key] — n. Chem. acrolein. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Acrux acrylamide Related Content Daily Word Quiz: wary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language