Definition of decompression in English:


Syllabification: de·com·pres·sion
Pronunciation: /ˌdēkəmˈpreSHən


  • 1A release of compressing forces, in particular.
  • 1.1Reduction in air pressure: decompression of the aircraft cabin
    More example sentences
    • An aviation expert added that even a small explosion on board could have been enough to cause decompression and suck people out of the aircraft.
    • The plane descended but the reason for decompression could not be found, so the aircraft returned to Oxford.
    • This seems like the suggestion of a second-rate Hollywood director, for the single reason that you cannot discharge a firearm in a pressurised environment, because there would be catastrophic decompression.
  • 1.2A gradual reduction of air pressure on a person who has been experiencing high pressure while diving, in order to prevent decompression sickness.
    More example sentences
    • Deeper and longer diving means more decompression, whichever gas you're breathing.
    • Before they return to the surface they will need to undergo a 17-hour decompression in the Aquarius, with atmospheric pressure gradually reduced to that on the surface.
    • We discourage dives below 30 meters, especially if decompression stops are required.
  • 1.3The process of expanding computer data to its normal size so that it can be read by a computer.
    More example sentences
    • Mapping the data prior to decompression reduces the random access memory resources otherwise required.
    • The inverse process - decompression - doesn't put any serious load on the memory subsystem.
    • I projected how long compression and decompression should take on computers of various speeds by simply scaling actual test results from my 1.7GHz CPU.
  • 1.4A surgical procedure that relieves excessive pressure on an internal part of the body such as the cranium or spinal cord.
    More example sentences
    • Surgical decompression remains the mainstay of treatment for spinal epidural abscess.
    • We report good results from surgical decompression performed in a patient with acute lumbar paraspinal muscle compartment syndrome.
    • However, infants with symptoms and signs of increased intracranial pressure require urgent decompression.

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