/ Dictionary / Index A acetyl chloride: Meaning and Definition of Find definitions for: ace'tyl chlo'ride Pronunciation: [key] — Chem. Chem. a colorless, toxic, and fuming liquid of pungent odor, CHOCl, soluble in ether, acetone, and acetic acid: used in the manufacture of dyes and pharmaceuticals. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. acetylbenzene acetylcholine 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