ex·trac·tion /ɪkˈstrækʃən/
 抽出,取出,抽出物


 ex·trac·tion /ɪkˈstrækʃən/ 名詞
 拔出,取出,提取,浸出,摘出術,摘除術


 extraction
 析取


 extraction
 取 萃取 擷取


 Ex·trac·tion n.
 1. The act of extracting, or drawing out; as, the extraction of a tooth, of a bone or an arrow from the body, of a stump from earth, of a passage from a book, of an essence or tincture.
 2. Derivation from a stock or family; lineage; descent; birth; the stock from which one has descended. “A family of ancient extraction.”
 3. That which is extracted; extract; essence.
    They [books] do preserve as in a vial the purest efficacy and extraction of that living intellect that bred them.   --Milton.
 The extraction of roots. Math. (a) The operation of finding the root of a given number or quantity. (b) The method or rule by which the operation is performed; evolution.

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 extraction
      n 1: the process of obtaining something from a mixture or
           compound by chemical or physical or mechanical means
      2: properties attributable to your ancestry; "he comes from
         good origins" [syn: origin, descent]
      3: the act of pulling out (as a tooth); "the dentist gave her a
         local anesthetic prior to the extraction"