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.
Cite This Source Link To depressurize
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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

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Example sentences
If a leak is detected, close the cylinder valve and depressurize the regulator
  before attempting to fix the leak.
They depressurize the hydraulic system and make sure that all electrical safety
  grounds are in place.
The current practice for recovering coal bed methane is to depressurize the
  bed, usually by pumping water out of the reservoir.
He or she uses a blower door to depressurize the house to determine how tight
  it is and to check for air leaks.
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