Metacetone

• (n.) A colorless liquid of an agreeable odor, C6H10O, obtained by distilling a mixture of sugar and lime; -- so called because formerly regarded as a polymeric modification of acetone.
Found on http://thinkexist.com/dictionary/meaning/metacetone/

Metacetone

Me·tac'e·tone noun [ Prefix met- + acetone .] (Chemistry) A colorless liquid of an agreeable odor, C 6 H 10 O, obtained by distilling a mixture of sugar and lime; -- so called because formerly regarded as a polymeric modification of acetone.
Found on http://www.encyclo.co.uk/webster/M/54
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