pressurize

pressurize
    v 1: increase the pressure on a gas or liquid [syn:
         {supercharge}, {pressurize}, {pressurise}]
    2: maintain a certain pressure; "the airplane cabin is
       pressurized"; "pressurize a space suit" [syn: {pressurize},
       {pressurise}]
    3: increase the pressure in or of; "The captain will pressurize
       the cabin for the passengers' comfort" [syn: {pressurize},
       {pressurise}] [ant: {decompress}, {depressurise},
       {depressurize}]
    

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]