pressurize

verb

pres·​sur·​ize ˈpre-shə-ˌrīz How to pronounce pressurize (audio)
pressurized; pressurizing

transitive verb

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
pressurization noun
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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
There is nothing added to the tallow at any point during the process and the canister is pressurized simply with air. Noah Kaufman, Bon Appetit Magazine, 12 May 2025 At just 7,000 feet above sea level, plane cabins are pressurized at 11PSI. Scott Lafee, San Diego Union-Tribune, 6 May 2025 The last technology finds leaks in EV battery trays by pressurizing one side of the tray with inert gas and using a combination of a vision system and custom software to detect the minuscule gas plume at a leak and to identify the leak’s location for repair. Jim Vinoski, Forbes, 10 Mar. 2025 This Week New Research Links Global Warming to China His defense minister, Richard Marles, on Monday refused to say whether the Trump administration had pressurized the Australian government to end the lease to the Chinese firm. John W. Dean, MSNBC Newsweek, 7 Apr. 2025 See All Example Sentences for pressurize

Word History

First Known Use

1938, in the meaning defined at sense 1

Time Traveler
The first known use of pressurize was in 1938

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Cite this Entry

“Pressurize.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pressurize. Accessed 3 Jun. 2025.

Kids Definition

pressurize

verb
pres·​sur·​ize ˈpresh-ə-ˌrīz How to pronounce pressurize (audio)
pressurized; pressurizing
1
: to maintain near-normal atmospheric pressure in
pressurize an airplane cabin
2
: to apply pressure to
pressurization
ˌpresh-(ə-)rə-ˈzā-shən
noun

More from Merriam-Webster on pressurize

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