[ kuh m-pres-er ]
/ kəmˈprɛs ər /


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).

Origin of compressor

First recorded in 1745–55; compress + -or2 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for compressor

British Dictionary definitions for compressor

/ (kəmˈprɛsə) /


any reciprocating or rotating device that compresses a gas
the part of a gas turbine that compresses the air before it enters the combustion chambers
any muscle that causes compression of any part or structure
a medical instrument for holding down a part of the body
an electronic device for reducing the variation in signal amplitude in a transmission systemCompare 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

Medical definitions for compressor

[ kəm-prĕsər ]


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.