[ presh-uh-rahyzd ]
/ ˈprɛʃ əˌraɪzd /


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

First recorded in 1935–40; pressurize + -ed2

Related forms

un·pres·sur·ized, adjective

Definition for pressurized (2 of 2)


[ presh-uh-rahyz ]
/ ˈprɛʃ əˌraɪz /

verb (used with object), pres·sur·ized, pres·sur·iz·ing.

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

First recorded in 1940–45; pressure + -ize

Related forms

pres·sur·iz·er, nounre·pres·su·rize, verb, re·pres·su·rized, re·pres·su·riz·ing. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for pressurized

British Dictionary definitions for pressurized



/ (ˈprɛʃəˌraɪz) /

verb (tr)

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

Derived Forms

pressurization or pressurisation, nounpressurizer or pressuriser, noun
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