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
These cans are pressurized and shouldn’t be exposed to temperatures of 120 degrees Fahrenheit or above.
—
Karen Brewer Grossman, Southern Living, 25 July 2025
When the fruit is ripe, it's puffed up with fluid, pressurized, and ready to burst.
—Ari Daniel, NPR, 17 July 2025
The hydrogen is stored onboard the locomotive at a working pressure of approximately 350 bar (5,000 psi), while the tube trailers arrive with hydrogen pressurized at 450–520 bar (6,500–7,500 psi) to enable efficient transfer.
—David Blekhman, Forbes.com, 17 July 2025
The suit had to be both pressurized and able to handle temperatures of minus 72° Celsius (minus 97.6° Fahrenheit).
—Mitchell McCluskey, CNN Money, 17 July 2025
See All Example Sentences for pressurize
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Karen Brewer Grossman, Southern Living, 25 July 2025
When the fruit is ripe, it's puffed up with fluid, pressurized, and ready to burst.
—Ari Daniel, NPR, 17 July 2025
The hydrogen is stored onboard the locomotive at a working pressure of approximately 350 bar (5,000 psi), while the tube trailers arrive with hydrogen pressurized at 450–520 bar (6,500–7,500 psi) to enable efficient transfer.
—David Blekhman, Forbes.com, 17 July 2025
The suit had to be both pressurized and able to handle temperatures of minus 72° Celsius (minus 97.6° Fahrenheit).
—Mitchell McCluskey, CNN Money, 17 July 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 22 Aug. 2025.
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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