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单词 fractionate
释义

WordReference Random House Unabridged Dictionary of American English © 2024
frac•tion•ate  (frakshə nāt′),USA pronunciation v.t., -at•ed, -at•ing. 
  1. to separate or divide into component parts, fragments, divisions, etc.
  2. Chemistryto separate (a mixture) into ingredients or into portions having different properties, as by distillation or crystallization;
    cause to undergo fractional distillation, crystallization, or the like.
  3. Chemistryto obtain by such a process.
  • fraction + -ate1 1865–70

Collins Concise English Dictionary © HarperCollins Publishers::
fractionate /ˈfrækʃəˌneɪt/ vb
  1. to separate or cause to separate into constituents or into fractions containing concentrated constituents
  2. (transitive) to obtain (a constituent of a mixture) by a fractional process

ˌfractionˈation n
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