01 v. t. To increase the pressure on (a gas or liquid); as, pressurized oxygen.
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1.
To increase the pressure on (a gas or liquid); as, pressurized oxygen.
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2.
To increase and maintain a pressure in (a compartment or container), above that of the ambient pressure; -- of airplanes, space suits, and diving bells, for example; as, the airplane cabin was pressurized for the comfort of the passengers; the sterile room was pressurized to prevent contamination.
Phrases & compounds
negatively pressurized —
maintained at a pressure somewhat below that of ambient pressure; -- a technique sometimes used to keep airborn materials in a room from escaping out; as, the biohazard lab was negatively pressurized to keep hazardous biological agents from escaping into the environment.
Syn.
supercharge, apply pressure to.