D defs.my
Entry 1 sense Webster, 1913

acetone

/(ăs"ē̇*tōn)/ · ac·e·tone · IPA /ˈæ.sə.toʊn/
01 n. A volatile liquid (CH3.CO.CH3); pyroacetic spirit; methyl ketone; -- obtained by fermentation, the distillation of certain acetates, or by …
  1. 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.)