ex·tract

[v. ik-strakt or especially for 5, ek-strakt; n. ek-strakt]
verb (used with object)
1.
to get, pull, or draw out, usually with special effort, skill, or force: to extract a tooth.
2.
to deduce (a doctrine, principle, interpretation, etc.): He extracted a completely personal meaning from what was said.
3.
to derive or obtain (pleasure, comfort, etc.) from a particular source: He extracted satisfaction from the success of his sons.
4.
to take or copy out (matter), as from a book.
5.
to make excerpts from (a book, pamphlet, etc.).
6.
to extort (information, money, etc.): to extract a secret from someone.
7.
to separate or obtain (a juice, ingredient, etc.) from a mixture by pressure, distillation, treatment with solvents, or the like.
8.
Mathematics.
a.
to determine (the root of a quantity that has a single root).
b.
to determine (a root of a quantity that has multiple roots).
noun
9.
something extracted.
10.
a passage taken from a book, article, etc.; excerpt; quotation.
11.
a solution or preparation containing the active principles of a drug, plant juice, or the like; concentrated solution: vanilla extract.
12.
a solid, viscid, or liquid substance extracted from a plant, drug, or the like, containing its essence in concentrated form: beef extract.
00:10
Extract is one of our favorite verbs.
So is lollygag. Does it mean:
to chew (food) slowly and thoroughly.
to spend time idly; loaf.

Origin:
1375–1425; late Middle English < Latin extractus (past participle of extrahere). See ex-1, tract1

ex·tract·a·ble, ex·tract·i·ble, adjective
ex·tract·a·bil·i·ty, ex·tract·i·bil·i·ty, noun
non·ex·tract·a·ble, adjective
non·ex·tract·ed, adjective
non·ex·tract·i·ble, adjective
o·ver·ex·tract, verb (used with object)
pre·ex·tract, verb (used with object)
un·ex·tract·a·ble, adjective
un·ex·tract·ed, adjective


1. pry out. 6. evoke, educe, draw out, elicit. Extract, exact, extort, wrest imply using force to remove something. To extract is to draw forth something as by pulling, importuning, or the like: to extract a confession by torture. To exact is to impose a penalty, or to obtain by force or authority, something to which one lays claim: to exact payment. To extort is to wring something by intimidation or threats from an unwilling person: to extort money by threats of blackmail. To wrest is to take by force or violence in spite of active resistance: The courageous minority wrested power from their oppressors. 7. withdraw, distill. 10. citation, selection. 11. decoction, distillation.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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World English Dictionary
extract
 
vb
1.  to withdraw, pull out, or uproot by force
2.  to remove or separate
3.  to derive (pleasure, information, etc) from some source or situation
4.  to deduce or develop (a doctrine, policy, etc)
5.  informal to extort (money, etc)
6.  to obtain (a substance) from a mixture or material by a chemical or physical process, such as digestion, distillation, the action of a solvent, or mechanical separation
7.  to cut out or copy out (an article, passage, quotation, etc) from a publication
8.  to determine the value of (the root of a number)
 
n
9.  something extracted, such as a part or passage from a book, speech, etc
10.  a preparation containing the active principle or concentrated essence of a material: beef extract; yeast extract
11.  pharmacol a solution of plant or animal tissue containing the active principle
 
[C15: from Latin extractus drawn forth, from extrahere, from trahere to drag]
 
usage  Extract is sometimes wrongly used where extricate would be better: he will find it difficult extricating (not extracting) himself from this situation
 
ex'tractable
 
adj
 
extracta'bility
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

extract
late 15c., from L. extractus, pp. of extrahere "draw out," from ex- "out" + trahere "to draw" (see tract (1)). Related: Extracted; extracting. The noun is first recorded 1540s.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

extract ex·tract (ĭk-strākt')
v. ex·tract·ed, ex·tract·ing, ex·tracts

  1. To draw or pull out, using force or effort.

  2. To obtain from a substance by chemical or mechanical action, as by pressure, distillation, or evaporation.

  3. To remove for separate consideration or publication; excerpt.

  4. To determine or calculate the root of a number.

n. (ěk'strākt')
Abbr. ext.
  1. A concentrated preparation of a drug obtained by removing the active constituents of the drug with suitable solvents, evaporating all or nearly all of the solvent, and adjusting the residual mass or powder to the prescribed standard.

  2. A preparation of the essential constituents of a food or a flavoring; a concentrate.


ex·tract'a·ble or ex·tract'i·ble adj.
ex·trac'tor n.

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
Remove bowl from heat, then add butter and raspberry extract, stirring until
  butter is melted.
Collecting this natural chemical kills the tree because harvesters must remove
  the bark and extract it to obtain the lactone.
Both have an interest in prolonging the life of their mainstream aircraft to
  extract maximum profit from them.
Scientists have found that ingesting a particular plant extract prior to
  drinking may cut the risk of a severe hangover in half.
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