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compression

Pronunciation: /kəmˈprɛʃ(ə)n/
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Definition of compression

noun

[mass noun]
  • the action of compressing or being compressed.
  • the reduction in volume (causing an increase in pressure) of the fuel mixture in an internal-combustion engine before ignition.

Derivatives

compressional

adjective

Origin:

late Middle English: via Old French from Latin compressio(n-), from comprimere 'press together' (see compress)

compression in other Oxford dictionaries

Definition of compression in the US English dictionary

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