ex·trac·tion

[ik-strak-shuhn]
noun
1.
an act or instance of extracting: the extraction of a molar.
2.
the state or fact of being extracted.
3.
descent or lineage: to be of foreign extraction.
4.
something extracted; extract.

Origin:
1375–1425; late Middle English extraccioun < Late Latin extractiōn- (stem of extractiō). See extract, -ion

non·ex·trac·tion, noun
o·ver·ex·trac·tion, noun
pre·ex·trac·tion, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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00:10
Extraction is always a great word to know.
So is ninnyhammer. Does it mean:
a fool or simpleton; ninny.
a gadget; dingus; thingumbob.
Collins
World English Dictionary
extraction (ɪkˈstrækʃən) [Click for IPA pronunciation guide]
 
n
1.  the act of extracting or the condition of being extracted
2.  something extracted; an extract
3.  a.  the act or an instance of extracting a tooth or teeth
 b.  a tooth or teeth extracted
4.  origin, descent, lineage, or ancestry: of German extraction

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

extraction
late 15c., Fr. extraction, from M.L. extractionem, noun of action from L. extrahere (see extract (v.)).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

extraction ex·trac·tion (ĭk-strāk'shən)
n.

  1. The act of extracting or the condition of being extracted.

  2. Something obtained by extracting; an extract.

  3. The removal by withdrawing or pulling out of a tooth from its socket.

  4. Removal of a baby from the genital canal in assisted delivery.

  5. The active portion of a drug.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
They arrange for extraction and recycling of reusable portions of hazardous
  wastes, such as solvents and metals.
Most of this efficiency gain is probably from heat extraction and the use of
  the fluid to better control temperature.
Although the extraction process in each location differs, they share a need for
  highly toxic chemicals.
As they become less abundant the more higher risk methods of extraction has to
  be attempted.
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