What does acetone mean?
The definition of acetone
Ac”e*tone, n.
Etym: [See Acetic.] (Chem.)

A volatile liquid consisting of three parts of carbon, six of hydrogen, and one of oxygen; pyroacetic spirit, — obtained by the distillation of certain acetates, or by the destructive distillation of citric acid, starch, sugar, or gum, with quicklime.

Note: The term in also applied to a number of bodies of similar constitution, more frequently called ketones. See Ketone.