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[presh-uh-rahyz] /ˈprɛʃ əˌraɪz/
verb (used with object), pressurized, pressurizing.
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.
Origin of pressurize
1940-45; pressure + -ize
Related forms
pressurizer, noun
repressurize, verb, repressurized, repressurizing. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for pressurize
  • There are subtler but much more effective tools for that eg to pressurize potential advertisers.
  • The global public can form their own answers and pressurize their law-makers.
  • Only here the discharge powers a series of pistons, which rapidly pressurize hydrogen in the gun's barrel.
  • Once an airplane begins to pressurize, the pressure around the seals around the door prevent the door from become dislodged.
  • The car motor will pressurize the hydraulics thru a pump.
  • But this is only possible when government pressurize it.
  • But both the parties are looking to pressurize the other into announcing much more than what they have already.
  • For example, using a piezo-material to pressurize a plastic can vary the plastic's temperature.
  • Obviously, you cannot have everyone who wants to fly put on one of those get-ups, so it is better to pressurize the cabin.
  • Because they pressurize the house, supply ventilation systems have the potential to cause moisture problems in cold climates.
British Dictionary definitions for pressurize


verb (transitive)
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, pressurisation, noun
pressurizer, 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
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Word Origin and History for pressurize

1938 (implied in pressurized), from pressure (n.) + -ize. Related: Pressurizing.

Online Etymology Dictionary, © 2010 Douglas Harper
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