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Meaning of depressurize

de•pres•sur•ize

Pronunciation: (dē-presh'u-rīz"), [key]
— v., -ized, -iz•ing.
—v.t.
  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.
—v.i.
  1. to lose air pressure: The airplane cabin depressurized almost instantly.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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