DICT.TW Dictionary Taiwan

 frac·tion·ate /ˈfrækʃəˌnet/
 (vt.)分別,使分餾

 frac·tion·ate /-ʃəˌnet/ 及物動詞
 使分餾,精餾,分成,分級

 Frac·tion·ate v. t. To separate (a mixture of chemical substances) into different portions or fractions, as in the distillation of liquids.
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 fractionate
      v 1: separate into constituents or fractions containing
           concentrated constituents
      2: obtain by a fractional process