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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.
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).
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.
[Middle English extracten, from Latin extrahere, extract- : ex-, ex- + trahere, to draw.]
ex·tract′a·ble, ex·tract′i·ble adj.
1. a person or thing that extracts
2. (Mechanical Engineering) an instrument for pulling something out or removing tight-fitting components
3. (Chemical Engineering) a device for extracting liquid from a solid, esp a centrifugal dryer
4. (Mechanical Engineering) short for extractor fan
5. (Firearms, Gunnery, Ordnance & Artillery) a fitting in many firearms for removing spent cartridges from the chamber
1. a person or thing that extracts.
2. (in a firearm or cannon) the mechanism that pulls the spent cartridge or shell case from the chamber.
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|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|
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|
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