Definition of compression in US English:

compression

noun

  • 1The action of compressing or being compressed.

    • ‘He also measured the amount of heat released during the compression and expansion of gases.’
    • ‘Treatment should be initiated as soon as spinal cord compression is diagnosed.’
    • ‘One way to mitigate the packet loss problem is through lossless data compression.’
    • ‘The most common causes of this syndrome are extrinsic compression of the superior vena cava and intraluminal venous thrombosis.’
    • ‘The added bonus of lossless audio compression is a boon for people who have good speakers and good ears.’
    • ‘Metastatic disease in the lumbar area can cause spinal cord compression.’
    • ‘By far, the most interoperable video compression technology in use today is MPEG, the Moving Pictures Experts Group.’
    • ‘Good healthy heart muscle is there but cannot function properly because of compression.’
    • ‘Upon compression, the fluorescent rims became broader and the dark areas smaller.’
    • ‘The deformation energy for stretching is smaller than for comparable compression.’
    • ‘The performance of an ABI is important for ruling out significant arterial occlusive disease before applying compression.’
    • ‘Lossless data compression is used for data that must not be changed even a single bit.’
    • ‘And what about that new video compression technology that will allow us to receive full-screen video over the Net?’
    • ‘There was no reduction in the incidence of spinal cord compression.’
    • ‘A hematoma usually results from multiple punctures and failure to apply adequate compression on the injured vessel.’
    • ‘Likewise, there is tension or relief from compression in the upper portion of the cell.’
    • ‘The compression of sea water under pressure is significant.’
    • ‘Such compression may be beneficial in reducing transmission time over the Internet.’
    • ‘To reach high surface pressures, the rate of compression must then exceed the rate of collapse.’
    • ‘Suspension bridges deal with compression by focusing it through the cables into to towers.’
    force, physical force, load, stress, thrust
    View synonyms
    1. 1.1 The reduction in volume (causing an increase in pressure) of the fuel mixture in an internal combustion engine before ignition.
      • ‘Now all you hear is the high pitched whine of the diesel engine in high compression.’
      • ‘The high temperature of the air, caused by the extreme compression, ignites the fuel.’
      • ‘The variable-geometry turbocharger ensures plenty of compression when needed.’
      • ‘The greater the compression of a diesel engine, the greater its power.’
      shortening, reduction, cutting, cutting down, cutting short, contraction, condensation, abridgement, truncation, clipping, cropping, paring down, pruning, shrinking, constricting, telescoping
      View synonyms

Origin

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

Pronunciation

compression

/kəmˈprɛʃən//kəmˈpreSHən/