The Collaborative International Dictionary of English v.0.48:

Extraction \Ex*trac"tion\, n. [Cf. F. extraction.]
   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.
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   2. Derivation from a stock or family; lineage; descent;
      birth; the stock from which one has descended. "A family
      of ancient extraction." --Clarendon.
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   3. That which is extracted; extract; essence.
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            They [books] do preserve as in a vial the purest
            efficacy and extraction of that living intellect
            that bred them.                       --Milton.
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   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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