Breadcrumb Home > Dictionary > Index A acetoin: Meaning and Definition of Find definitions for: a•cet•o•in Pronunciation: (u-set'ō-in), [key] — n. Chem. a yellowish, pleasant-smelling liquid, CHO, obtained from various carbohydrates, as glucose, by fermentation: used chiefly in the manufacture of flavors and essences. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. acetobacter acetometer TrendingHere are the facts and trivia that people are buzzing about. Biographies: Notable Jewish Religious Leaders Current Events This Week: September 2023 Hispanic Population and the 2010 U.S. Census Preamble of the United Nations Charter The Jewish Calendar ✖ Related Content Daily Word Quiz: nosegay Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language