/ Dictionary / Index D diacetone alcohol: Meaning and Definition of Find definitions for: di•ac'e•tone al'cohol Pronunciation: (dī-as'i-tōn"), [key] — Chem. Chem. a colorless, flammable liquid with a pleasant odor, CHO: used as a solvent for lacquers, dyes, cellulose nitrate, and resins. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. diacetic acid diacetyl 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