- brought to and maintained at an atmospheric pressure higher than that of the surroundings: cooking with pressurized steam.
- maintained at an air pressure comfortable for breathing: a pressurized cabin and cockpit; a pressurized suit for diving.
- Informal. subject or subjected to undue pressure or harassment: the pressurized milieu of big business.
Origin of pressurized
- to raise the internal atmospheric pressure of to the required or desired level: to pressurize an astronaut's spacesuit before a walk in space.
- to maintain normal air pressure in (the cockpit or cabin of an airplane) at high altitudes.
- to apply pressure to (a gas or liquid); supercharge.
- to pressure-cook.
Also especially British, pres·sur·ise.
Origin of pressurize
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for pressurized
It runs on combustible poison—ammonia and pressurized hydrogen.American Dreams: ‘The Mosquito Coast’ by Paul Theroux
September 20, 2012
Crag debated the problem while they pressurized the cabin and removed their suits.
He nodded to Nagel, snapped his face plate shut and pressurized his suit.
The soft whistle of oxygen escaped from pressurized cylinders.Rich Living
The pressurized atmosphere gone, the water then is able to pour in through the same opening, flooding the workings.
Cade, who was in the pressurized control room without a suit on, kept working the switch back and forth.All Day September
- to increase the pressure in (an enclosure, such as an aircraft cabin) in order to maintain approximately atmospheric pressure when the external pressure is low
- to increase pressure on (a fluid)
- to make insistent demands of (someone); coerce
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for pressurized
Online Etymology Dictionary, © 2010 Douglas Harper