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depressurize

 - 2 dictionary results

de⋅pres⋅sur⋅ize

[dee-presh-uh-rahyz] verb, -ized, -iz⋅ing.
–verb (used with object)
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)
3. to lose air pressure: The airplane cabin depressurized almost instantly.
Also, especially British, de⋅pres⋅sur⋅ise.


Origin:
1940–45; de- + pressurize


de⋅pres⋅sur⋅i⋅za⋅tion, noun
de⋅pres⋅sur⋅iz⋅er, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To depressurize
de·pres·sur·ize   (dē-prěsh'ə-rīz')   
tr.v.   de·pres·sur·ized, de·pres·sur·iz·ing, de·pres·sur·iz·es
To reduce the pressure of air or gas within (a chamber or vehicle, for example).
de·pres'sur·i·za'tion (-prěsh'ər-ĭ-zā'shən) n.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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