/ Dictionary / Index A acetylize: Meaning and Definition of Find definitions for: a•cet•y•lize Pronunciation: (u-set'l-īz"), [key] — -lized, -liz•ing. acetylate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: acetylize (Thesaurus) acetylide acetylmethylcarbinol Related Content Daily Word Quiz: pugilist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language