un·​ox·​y·​gen·​at·​ed ˌən-ˈäk-si-jə-ˌnā-təd How to pronounce unoxygenated (audio)
: not combined or supplied with oxygen : not oxygenated
unoxygenated blood

Examples of unoxygenated in a Sentence

Recent Examples on the Web Again, these were less coherent ideas than waves of feeling issuing from an increasingly unoxygenated brain, but now, out of this metaphysical abyss, I was commanded—just as I’d been commanded at one point to flee the restaurant and destroy myself—never to tell the story of my choking. Ben Lerner, The New Yorker, 29 Aug. 2022 Pestrella said there has never been any doubt that the decay of organic materials was causing the smelly hydrogen sulfide, which is produced in unoxygenated environments. Los Angeles Times, 3 Dec. 2021 The spraying began Friday, and workers will soon pump oxygen into the water, since hydrogen sulfide is produced in unoxygenated environments. Los Angeles Times, 16 Oct. 2021 My heart, too, was left with a hole, which means my oxygenated blood sometimes mixes with unoxygenated blood. Olivia Harrison,, 12 Mar. 2021 In a normal heart, the pulmonary artery carries unoxygenated blood from the right ventricle to the lungs to get oxygen. Washington Post, 4 June 2017

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'unoxygenated.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1789, in the meaning defined above

Time Traveler
The first known use of unoxygenated was in 1789

Dictionary Entries Near unoxygenated

Cite this Entry

“Unoxygenated.” Dictionary, Merriam-Webster, Accessed 8 Dec. 2023.

Medical Definition


un·​ox·​y·​gen·​at·​ed -ˈäk-si-jə-ˌnāt-əd, -äk-ˈsij-ə- How to pronounce unoxygenated (audio)
: not oxygenated
unoxygenated blood
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