Meaning of acetoin

a•cet•o•in

Pronunciation: (u-set'ō-in), [key]
— n. Chem.
  1. 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.