ac·e·tone /ˈæsəˌton/ 名詞
ac·e·tone n. Chem. 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.
Note: ☞ The term was once also applied to a number of bodies of similar constitution, more frequently called ketones. See Ketone.
n : the simplest ketone; a highly inflammable liquid widely used
as an organic solvent and as material for making plastics
[syn: propanone, dimethyl ketone]