compressor: Meaning and Definition of

com•pres•sor

Pronunciation: (kum-pres'ur), [key]
— n.
  1. a person or thing that compresses.
  2. a muscle that compresses some part of the body.
  3. 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. a transducer that produces an output with a range of voltages whose ratio is smaller than that of the range of the input signal. Cf. expander (def. 2).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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