(v) increase the pressure in or of, Syn.pressurise, Ant.depressurise, depressurize, Example: The captain will pressurize the cabin for the passengers' comfort
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 pressurizedmaintained 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 ]
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