D defs.my
Entry 1 sense Webster, 1913

Metacetone

· Me·tac·e·tone · IPA
01 n. A colorless liquid of an agreeable odor, C6H10O, obtained by distilling a mixture of sugar and lime; -- so called because formerly regarded…
  1. 1.
    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.(Chem.)