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decompression

[dee-kuh m-presh-uh n] /ˌdi kəmˈprɛʃ ən/
noun
1.
the gradual reduction in atmospheric pressure experienced by divers, construction workers, etc., after working in deep water or breathing compressed air.
2.
the act or process of releasing from pressure.
3.
Surgery. the procedure of relieving increased cranial, cardiac, or orbital pressure.
4.
a state of relief from pressure; a return to normalcy after a stressful period or situation.
5.
Computers. the restoration of data that has undergone compression to its original state.
Origin
1900-1905
1900-05; probably < French décompression. See de-, compression
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Word Origin and History for de compression
decompression
1905, from de- + compression.
Online Etymology Dictionary, © 2010 Douglas Harper
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de compression in Medicine

decompression de·com·pres·sion (dē'kəm-prěsh'ən)
n.

  1. The relief of pressure on a body part by surgery.

  2. The restoration of deep sea divers and caisson workers to atmospheric pressure by means of a decompression chamber.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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