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Extraction - Dictionary Definition and Overview |
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Extraction : (noun)
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"
Based on WordNet 2.0
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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.
Based on WordNet (r) 2.0 (August 2003)
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