pressurize
VerbWordNet 3.0
Verb (3)
- increase the pressure on a gas or liquidSynonyms: superchargepressurise
- maintain a certain pressure“the airplane cabin is pressurized”“pressurize a space suit”Synonyms: pressurise
- increase the pressure in or of“The captain will pressurize the cabin for the passengers' comfort”Synonyms: pressurise
Webster's Dictionary (GCIDE)
pressurize \pressurize\ v. t. To increase the pressure on (a gas or liquid); as, pressurized oxygen.
Syn: supercharge, apply pressure to. [WordNet 1.5]
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. [WordNet 1.5 + PJC]
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. [PJC]