/ Dictionary / Index A acetophenone: Meaning and Definition of Find definitions for: a•ce•to•phe•none Pronunciation: (u-sē"tō-fu-nōn', as"i-tō-), [key] — n. Chem. a colorless liquid, CHO, having a sweet odor: used chiefly as a scent in the manufacture of perfume. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. acetophenetidin acetostearin Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language