pressurize
verb
pres·sur·ize
ˈpre-shə-ˌrīz 
pressurized; pressurizing
1
: to confine the contents of under a pressure greater than that of the outside atmosphere
especially
: to maintain near-normal atmospheric pressure in during high-altitude or spaceflight (as by means of a supercharger)
2
: to apply pressure to
3
: to design to withstand pressure
pressurizer
noun
Examples of pressurize in a Sentence
A pump is used to pressurize the fuel.
The system that pressurizes the airplane's cabin failed to operate correctly.
Don't let them pressurize you to do anything you don't want to do.
Recent Examples on the Web
Airplane cabins are pressurized to the equivalent of about 8,000 feet of elevation, meaning oxygen levels are lower than on the ground.
—
Kelly McGreal, FOXNews.com, 30 Dec. 2025
These purify air, before pressurizing it and turning it into its liquid form for storage in the facility’s tanks.
—Chris Young, Interesting Engineering, 29 Dec. 2025
First, a compressor pressurizes the gas from 1 bar (100,000 pascals) to about 55 bar (5,500,000 pa).
—IEEE Spectrum, 21 Dec. 2025
Even before pressurizing his suit, Cernan found the umbilical cord almost impossible to manage in the weightless environment of the spacecraft.
—Jeffrey Kluger, Time, 11 Nov. 2025
See All Example Sentences for pressurize
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Kelly McGreal, FOXNews.com, 30 Dec. 2025
These purify air, before pressurizing it and turning it into its liquid form for storage in the facility’s tanks.
—Chris Young, Interesting Engineering, 29 Dec. 2025
First, a compressor pressurizes the gas from 1 bar (100,000 pascals) to about 55 bar (5,500,000 pa).
—IEEE Spectrum, 21 Dec. 2025
Even before pressurizing his suit, Cernan found the umbilical cord almost impossible to manage in the weightless environment of the spacecraft.
—Jeffrey Kluger, Time, 11 Nov. 2025
See All Example Sentences for pressurize
Cite this Entry
“Pressurize.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pressurize. Accessed 6 Jan. 2026.
Copy CitationKids Definition
pressurize
verb
pres·sur·ize
ˈpresh-ə-ˌrīz
pressurized; pressurizing
1
: to maintain near-normal atmospheric pressure in
pressurize an airplane cabin
2
: to apply pressure to
pressurization
noun
ˌpresh-(ə-)rə-ˈzā-shən
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