unpressurized

adjective

un·​pres·​sur·​ized ˌən-ˈpre-shə-ˌrīzd How to pronounce unpressurized (audio)
: not pressurized
an unpressurized airplane

Examples of unpressurized in a Sentence

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.
And a thinner-than-paper ‘nano film’ that locks the hydrogen away safely in an unpressurized solid form at room temperature, without freezing it at minus 250 °C in heavy giant pressurized tanks. Prabhat Ranjan Mishra, Interesting Engineering, 8 Oct. 2025 These unpressurized parts of a plane lack oxygen and can reach temperatures well below freezing, sometimes to minus 80 degrees Fahrenheit. Kathleen Wong, USA Today, 29 Sep. 2025 Those efforts included the design of an unpressurized rover prototype, known as the ground test unit. Robert Z. Pearlman, Space.com, 19 May 2025 This move will resolve concerns about Dragon's unpressurized trunk section reentering the atmosphere in an uncontrolled manner. ArsTechnica, 1 Apr. 2025 See All Example Sentences for unpressurized

Word History

First Known Use

1943, in the meaning defined above

Time Traveler
The first known use of unpressurized was in 1943

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Cite this Entry

“Unpressurized.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unpressurized. Accessed 3 Nov. 2025.

Last Updated: - Updated example sentences
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