Hypertext Webster Gateway: "extraction"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
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.
2. Derivation from a stock or family; lineage; descent;
birth; the stock from which one has descended. ``A family
of ancient extraction.'' --Clarendon.
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.
From WordNet (r) 1.7 (wn)
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"
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