- 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
- 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 repressurize
Online Etymology Dictionary, © 2010 Douglas Harper