un·​pres·​sur·​ized | \ ˌən-ˈpre-shə-ˌrīzd How to pronounce unpressurized (audio) \

Definition of unpressurized

: not pressurized an unpressurized airplane

Examples of unpressurized in a Sentence

Recent Examples on the Web One of the most significant events of the return came when the trunk, the unpressurized module that is covered on one half by solar arrays, separated from the capsule. Christian Davenport, Washington Post, "Elon Musk’s spacecraft roared like ‘an animal.’ But astronauts say the SpaceX Dragon flew flawlessly.," 4 Aug. 2020 During the war, several doctors, including Dr. V. Ray Bennett and Dr. Forrest Bird, developed breathing devices that were used by fighter pilots for high-altitude, unpressurized flights, according to the journal Asthma History. Fox News, "Advancements in breathing devices for WWII fighter pilots paved way for modern ventilator," 1 Apr. 2020 One big difference between this first mission and Apollo is that NASA intends to pre-position equipment on the surface, including an unpressurized rover for astronauts to use during their spacewalks. Eric Berger, Ars Technica, "NASA shares details of lunar surface missions—and they’re pretty cool," 29 Oct. 2019 Tucked within the Dragon’s trunk — the unpressurized cylindrical structure that rides on the back of the capsule during flight — is a new dock for the ISS. Loren Grush, The Verge, "Watch SpaceX launch a new docking port to the International Space Station," 24 July 2019 The Dragon has compartments for pressurized and unpressurized cargo, wherein the experiments will arrive and depart the space station. Robin Goist, cleveland.com, "Goodyear sends tire research to International Space Station," 19 July 2019 The cabin was unpressurized, unheated, and could only hold one pilot. Andrew J. Hawkins, The Verge, "Electric flight is coming, but the batteries aren’t ready," 14 Aug. 2018 Solar Impulse 2—and its predecessor, Solar Impulse 1—could only hold one person (the pilot) in its unheated and unpressurized refrigerator-sized cockpit; its single seat doubles as a toilet. Maya Wei-haas, Smithsonian, "Inside the First Solar-Powered Flight Around the World," 1 Feb. 2018 Crews have fanned out around New Orleans to test for potentially dangerous coliform bacteria that can seep into unpressurized pipes from the substrate. Richard Rainey, NOLA.com, "New Orleans boil water advisory: Power was out for 20 minutes," 20 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unpressurized.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of unpressurized

1943, in the meaning defined above

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Time Traveler for unpressurized

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The first known use of unpressurized was in 1943

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Statistics for unpressurized

Last Updated

12 Aug 2020

Cite this Entry

“Unpressurized.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unpressurized. Accessed 14 Aug. 2020.

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