— depressurization , n. — depressurizer , n.
/dee presh"euh ruyz'/ , v. , 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.
3. to lose air pressure: The airplane cabin depressurized almost instantly.
Also, esp. Brit., depressurise .
[ 1940-45; DE- + PRESSURIZE ]