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pressurize

[presh-uh-rahyz]
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verb (used with object), pres·sur·ized, pres·sur·iz·ing.
  1. to raise the internal atmospheric pressure of to the required or desired level: to pressurize an astronaut's spacesuit before a walk in space.
  2. to maintain normal air pressure in (the cockpit or cabin of an airplane) at high altitudes.
  3. to apply pressure to (a gas or liquid); supercharge.
  4. to pressure-cook.
Also especially British, pres·sur·ise.

Origin of pressurize

First recorded in 1940–45; pressure + -ize
Related formspres·sur·iz·er, nounre·pres·su·rize, verb, re·pres·su·rized, re·pres·su·riz·ing.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for repressurize

pressurize

pressurise

verb (tr)
  1. 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
  2. to increase pressure on (a fluid)
  3. to make insistent demands of (someone); coerce
Derived Formspressurization 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

Word Origin and History for repressurize

pressurize

v.

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

Online Etymology Dictionary, © 2010 Douglas Harper