Extractor

ex·tract  (k-strkt)

tr.v. ex·tract·ed, ex·tract·ing, ex·tracts

1. To draw or pull out, often with great force or effort: extract a wisdom tooth; used tweezers to extract the splinter.

2. To obtain despite resistance: extract a promise.

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

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

5.

a. To derive or obtain (information, for example) from a source.

b. To deduce (a principle or doctrine); construe (a meaning).

c. To derive (pleasure or comfort) from an experience.

6. Mathematics To determine or calculate (the root of a number).

n. (kstrkt)

Something extracted, especially:

a. A passage from a literary work; an excerpt.

b. A concentrated preparation of the essential constituents of a food, flavoring, or other substance; a concentrate: maple extract.

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[Middle English extracten, from Latin extrahere, extract- : ex-, ex- + trahere, to draw.]

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ex·tracta·ble, ex·tracti·ble adj.

ex·tractor n.

Thesaurus

Noun	1.	extractor - an instrument for extracting tight-fitting components forceps - an extractor consisting of a pair of pincers used in medical treatment (especially for the delivery of babies) instrument - a device that requires skill for proper use
	2.	extractor - an apparatus that uses centrifugal force to separate particles from a suspension centrifuge, separator apparatus, setup - equipment designed to serve a specific function haematocrit, hematocrit - a measuring instrument to determine (usually by centrifugation) the relative amounts of corpuscles and plasma in the blood ultracentrifuge - a high speed centrifuge used to determine the relative molecular masses of large molecules in high polymers and proteins
	3.	extractor - a mechanism in a firearm that pulls an empty shell case out of the chamber and passes it to the ejector cartridge extractor, cartridge remover gun - a weapon that discharges a missile at high velocity (especially from a metal tube or barrel) mechanism - device consisting of a piece of machinery; has moving parts that perform some function