[ dee-kuh m-presh-uh n ]
/ ˌdi kəmˈprɛʃ ən /


the gradual reduction in atmospheric pressure experienced by divers, construction workers, etc., after working in deep water or breathing compressed air.
the act or process of releasing from pressure.
Surgery. the procedure of relieving increased cranial, cardiac, or orbital pressure.
a state of relief from pressure; a return to normalcy after a stressful period or situation.
Computers. the restoration of data that has undergone compression to its original state.

Origin of decompression

1900–05; probably < French décompression. See de-, compression Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for decompression

Medicine definitions for decompression

[ dē′kəm-prĕshən ]


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