Etymology
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depressurize (v.)

"cause a drop in the pressure of a gas in a certain space," 1944; see de- + pressurize. Related: Depressurized; depressurizing; depressurization.

updated on July 27, 2018

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Definitions of depressurize from WordNet

depressurize (v.)
decrease the pressure of;
depressurize the cabin in the air plane
Synonyms: depressurise / decompress
Etymologies are not definitions. From wordnet.princeton.edu, not affiliated with etymonline.