a person or thing that compresses.
Anatomy. a muscle that compresses some part of the body.
Surgery. an instrument for compressing a part of the body.
a pump or other machine for reducing volume and increasing pressure of gases in order to condense the gases, drive pneumatically powered machinery, etc.
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 ).

1745–55; compress + -or2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To compressor
World English Dictionary
compressor (kəmˈprɛsə)
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.  expander Compare compander an electronic device for reducing the variation in signal amplitude in a transmission system

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

1839, from L. compressor, agent noun from comprimere (see compress). As a type of surgical instrument, from 1870. As short for air compressor, from 1874.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
American Heritage
Medical Dictionary

compressor com·pres·sor (kəm-prěs'ər)
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.
Cite This Source
Example sentences
The anti-icing system prevents ice from forming by blowing hot air from within
  the compressor of the engine.
The two plants that are in operation use conventional gas turbines with the
  store of compressed air replacing the compressor.
The use of wind power to run the compressor means that no fuel is burned in the
  process, unlike conventional compressors.
Because a fridge-size external air compressor powers the actuators, locomotion
  was sacrificed.
Copyright © 2014, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature