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
As the fiber is stretched down to about 100 micrometers in diameter, the hollow spaces are pressurized to preserve the structure.
—
Neetika Walter, Interesting Engineering, 3 Sep. 2025
Steve Lundblad, a University of Hawaii at Hilo geology professor, said the vent may have gotten wider, leaving molten rock less pressurized.
—CNN Money, 2 Sep. 2025
The warnings from the CPSC stress that both products—one electrical, the other pressurized—pose threats of physical injury or even death if used improperly or if design flaws go unaddressed.
—Gordon G. Chang, MSNBC Newsweek, 24 Aug. 2025
Investigators say the cause of Ship 35's issues could be traced to a failure in a gas diffuser used to pressurize the main fuel tank, which engineers were able to replicate at SpaceX's test site in McGregor, Texas.
—Josh Dinner, Space.com, 18 Aug. 2025
See All Example Sentences for pressurize
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Neetika Walter, Interesting Engineering, 3 Sep. 2025
Steve Lundblad, a University of Hawaii at Hilo geology professor, said the vent may have gotten wider, leaving molten rock less pressurized.
—CNN Money, 2 Sep. 2025
The warnings from the CPSC stress that both products—one electrical, the other pressurized—pose threats of physical injury or even death if used improperly or if design flaws go unaddressed.
—Gordon G. Chang, MSNBC Newsweek, 24 Aug. 2025
Investigators say the cause of Ship 35's issues could be traced to a failure in a gas diffuser used to pressurize the main fuel tank, which engineers were able to replicate at SpaceX's test site in McGregor, Texas.
—Josh Dinner, Space.com, 18 Aug. 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 10 Sep. 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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