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compressor

[kuh m-pres-er] /kəmˈprɛs ər/
noun
1.
a person or thing that compresses.
2.
Anatomy. a muscle that compresses some part of the body.
3.
Surgery. an instrument for compressing a part of the body.
4.
a pump or other machine for reducing volume and increasing pressure of gases in order to condense the gases, drive pneumatically powered machinery, etc.
5.
Electronics. a transducer that produces an output with a range of voltages whose ratio is smaller than that of the range of the input signal.
Compare expander (def 2).
Origin
1745-1755
1745-55; compress + -or2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for compressors
  • Modern versions use rotary compressors and have more sophisticated variable governors.
British Dictionary definitions for compressors

compressor

/kəmˈprɛsə/
noun
1.
any reciprocating or rotating device that compresses a gas
2.
the part of a gas turbine that compresses the air before it enters the combustion chambers
3.
any muscle that causes compression of any part or structure
4.
a medical instrument for holding down a part of the body
5.
an electronic device for reducing the variation in signal amplitude in a transmission system Compare expander, compander
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for compressors

compressor

n.

1839, from Latin compressor, agent noun from comprimere (see compress (v.)). As a type of surgical instrument, from 1870. As short for air compressor, from 1874.

Online Etymology Dictionary, © 2010 Douglas Harper
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compressors in Medicine

compressor com·pres·sor (kəm-prěs'ər)
n.
A muscle that causes compression of a structure upon contraction.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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