acetone /(ăs"ē̇*tōn)/

ac·e·tone

acetone

n.
  1. A volatile liquid (CH3.CO.CH3); pyroacetic spirit; methyl ketone; -- obtained by fermentation, the distillation of certain acetates, or by the destructive distillation of citric acid, starch, sugar, or gum, with quicklime. It is commonly used as a solvent. (Chem.)