WordWeb Online

1. Increase the pressure on a gas or liquid
   - supercharge, pressurize
    
2. Maintain a certain pressure
   "the aeroplane cabin is pressurised"; "pressurise a space suit"
   - pressurize
    
3. Increase the pressure in or of
   "The captain will pressurise the cabin for the passengers' comfort"
   - pressurize

Derived forms: pressurised, pressurising, pressurises

See also: pressure

Type of: adjust, alter, change, correct, hold, keep, maintain, modify, set

Antonym: depressurise [Brit]