de pressurise

depressurize

[dee-presh-uh-rahyz]
verb (used with object), depressurized, depressurizing.
1.
to remove the air pressure from (a pressurized compartment of an aircraft or spacecraft).
2.
to relieve the tensions of; cause to relax: A week's vacation should depressurize me.
verb (used without object), depressurized, depressurizing.
3.
to lose air pressure: The airplane cabin depressurized almost instantly.
Also, especially British, depressurise.


Origin:
1940–45; de- + pressurize

depressurization, noun
depressurizer, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
depressurize or depressurise (dɪˈprɛʃəˌraɪz)
 
vb
(tr) to reduce the pressure of a gas inside (a container or enclosed space), as in an aircraft cabin
 
depressurise or depressurise
 
vb
 
depressuri'zation or depressurise
 
n
 
depressuri'sation or depressurise
 
n

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