depressurize

[ dee-presh-uh-rahyz ]
/ diˈprɛʃ əˌraɪz /

verb (used with object), de·pres·sur·ized, de·pres·sur·iz·ing.

to remove the air pressure from (a pressurized compartment of an aircraft or spacecraft).
to relieve the tensions of; cause to relax: A week's vacation should depressurize me.

verb (used without object), de·pres·sur·ized, de·pres·sur·iz·ing.

to lose air pressure: The airplane cabin depressurized almost instantly.

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Also especially British, de·pres·sur·ise .

Origin of depressurize

First recorded in 1940–45; de- + pressurize

OTHER WORDS FROM depressurize

de·pres·sur·i·za·tion, nounde·pres·sur·iz·er, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for depressurize

British Dictionary definitions for depressurize

depressurize

depressurise

/ (dɪˈprɛʃəˌraɪz) /

verb

(tr) to reduce the pressure of a gas inside (a container or enclosed space), as in an aircraft cabin

Derived forms of depressurize

depressurization or depressurisation, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012