pressurize

[presh-uh-rahyz]
verb (used with object), pressurized, pressurizing.
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, pressurise.


Origin:
1940–45; pressure + -ize

pressurizer, noun
repressurize, verb, repressurized, repressurizing.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
pressurize or pressurise (ˈprɛʃəˌraɪz)
 
vb
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
 
pressurise or pressurise
 
vb
 
pressuri'zation or pressurise
 
n
 
pressuri'sation or pressurise
 
n
 
'pressurizer or pressurise
 
n
 
'pressuriser or pressurise
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Example sentences
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.
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