/ Dictionary / Index A acylate: Meaning and Definition of Find definitions for: ac•yl•ate Pronunciation: (as'u-lāt"), [key] — -at•ed, -at•ing. to introduce the acyl group into (a compound). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. acyl acyl group Related Content Daily Word Quiz: sinister Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language