/ Dictionary / Index A acetylate: Meaning and Definition of Find definitions for: a•cet•y•late Pronunciation: (u-set'l-āt"), [key] — v., -lat•ed, -lat•ing. —v.t. to introduce one or more acetyl groups into (a compound). —v.i. to become acetylated. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: acetylate (Thesaurus) acetylaniline acetylbenzene Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language