Share this entry

Share this page

compression

Line breaks: com|pres¦sion
Pronunciation: /kəmˈprɛʃ(ə)n
 
/

Definition of compression in English:

noun

[mass noun]
1The action of compressing or being compressed.
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.
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.

Origin

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

Derivatives

compressional

1
adjective
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.

Definition of compression in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day emulous
Pronunciation: ˈemyələs
adjective
seeking to emulate or imitate someone or something