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单词 acetone
释义

WordReference Random House Learner's Dictionary of American English © 2024
ac•e•tone /ˈæsɪˌtoʊn/USA pronunciation   n. [uncountable]
  1. Chemistrya flammable liquid used in paints and varnishes, as a solvent, etc.
ac•e•ton•ic /ˌæsɪˈtɑnɪk/USA pronunciation  adj. 

WordReference Random House Unabridged Dictionary of American English © 2024
ac•e•tone  (as′i tōn′),USA pronunciation n. [Chem.]
  1. Chemistrya colorless, volatile, water-soluble, flammable liquid, C3H6O, usually derived by oxidation of isopropyl alcohol or by bacterial fermentation of carbohydrates: used chiefly in paints and varnishes, as a general solvent, and in organic synthesis. Also called dimethylketone. 
  • 1830–40; acet- + -one
ac•e•ton•ic  (as′i ton′ik),USA pronunciation adj. 
Collins Concise English Dictionary © HarperCollins Publishers::
acetone /ˈæsɪˌtəʊn/ n
  1. a colourless volatile flammable pungent liquid, miscible with water, used in the manufacture of chemicals and as a solvent and thinner for paints, varnishes, and lacquers. Formula: CH3COCH3
    Systematic name: propanone
Etymology: 19th Century: from German Azeton, from aceto- + -one
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