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Definition of Decompression

Decompression: 1. In general, the removal of pressure.
2. In surgery, a procedure to remove pressure on a structure, as in decompression of the spinal cord.
3. The lessening of atmospheric pressure on deep-sea divers returning to the surface, or on persons ascending to great heights.

Source: MedTerms™ Medical Dictionary
Last Editorial Review: 6/14/2012

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