pressurize

[ presh-uh-rahyz ]

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.

pressurize

/ ˈprɛʃəˌraɪz /

verb

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 Forms

• ˈpressurˌizer, noun
• ˌpressuriˈzation, noun

Other Words From

• pressur·izer noun
• re·pressu·rize verb repressurized repressurizing

Word History and Origins

Origin of pressurize¹

First recorded in 1940–45; pressure + -ize

Example Sentences

The gas is used to pressurize the craft’s propulsion system.

From Los Angeles Times

Helium is used to pressurize the fuel lines of Starliner’s thrusters, which are essential for maneuvering.

From Seattle Times

When you pressurize the soda bottle by pumping air in, the air molecules collide with each other and warm the bottle.

From National Geographic Kids

When you pressurize the soda bottle by pumping air in, the air molecules collide with each other and warm the bottle.

From National Geographic Kids

When you pressurize the soda bottle by pumping air in, the air molecules collide with each other and warm the bottle.

From National Geographic Kids

Related Words

• cause
• charge
• compel
• demand
• drag
• drive
• impose
• inflict
• limit
• make
• move
• oblige
• order
• press
• pressure
• require
• restrict
• urge