Definition of compression in English:

compression

Syllabification: com·pres·sion
Pronunciation: /kəmˈpreSHən
 
/

noun

  • 1The action of compressing or being compressed.
    More example sentences
    • Lossless data compression is used for data that must not be changed even a single bit.
    • Metastatic disease in the lumbar area can cause spinal cord compression.
    • The added bonus of lossless audio compression is a boon for people who have good speakers and good ears.
  • 1.1The reduction in volume (causing an increase in pressure) of the fuel mixture in an internal combustion engine before ignition.
    More example sentences
    • The high temperature of the air, caused by the extreme compression, ignites the fuel.
    • Now all you hear is the high pitched whine of the diesel engine in high compression.
    • The variable-geometry turbocharger ensures plenty of compression when needed.

Derivatives

compressional

adjective
More example sentences
  • In general, the attainment of peak pressure conditions in compressional systems such as the Delamerian Orogeny reflects the effects of crustal thickening.
  • Intraplate compressional stresses resulting from ‘ridge push’ have been suggested by some workers to explain the Neogene uplift of Scandinavia.
  • Like the Northwest Flank Fault, the Bala Fault was reactivated during Cretaceous and Neogene inversion with compressional strain restricted mainly to right-stepping jogs along the fault.

Origin

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

More definitions of compression

Definition of compression in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day milord
Pronunciation: mɪˈlɔːd
noun
used to address an English nobleman