hypoxia

noun

hyp·​ox·​ia hi-ˈpäk-sē-ə How to pronounce hypoxia (audio) hī- How to pronounce hypoxia (audio)
: a deficiency of oxygen reaching the tissues of the body

Examples of hypoxia in a Sentence

Recent Examples on the Web
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The baby, who was gray, emaciated and catatonic when brought to the Hoag Hospital Emergency Room, was suffering from extremely low blood-sugar levels, hypoxia and constant seizures, according to prosecutors. Sydney Barragan, Oc Register, 24 Oct. 2025 An Alabama death row inmate is set to become the seventh man executed in the state with the controversial method of nitrogen hypoxia. Amanda Lee Myers, USA Today, 22 Oct. 2025 The state resumed executions in 2025 and carried out a nitrogen-hypoxia execution in March, the first in Louisiana after a years-long pause. Billal Rahman, MSNBC Newsweek, 4 Sep. 2025 Between 2019 and 2023, the U.S. saw an alarming, 110% increase in deaths due to hypoxia (or oxygen deprivation to the brain) stemming from nitrous oxide abuse, according to researchers. John Wenzel, Denver Post, 6 Aug. 2025 See All Example Sentences for hypoxia

Word History

Etymology

New Latin

First Known Use

1941, in the meaning defined above

Time Traveler
The first known use of hypoxia was in 1941

Browse Nearby Words

Cite this Entry

“Hypoxia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hypoxia. Accessed 8 Nov. 2025.

Medical Definition

hypoxia

noun
hyp·​ox·​ia hip-ˈäk-sē-ə How to pronounce hypoxia (audio) hī-ˈpäk- How to pronounce hypoxia (audio)
: a deficiency of oxygen reaching the tissues of the body
Mountain sickness is caused primarily by a lack of oxygen, or hypoxia. Atmospheric pressure decreases as one moves away from sea level, and because the percentage of oxygen in air remains constant, the concentration of oxygen is decreased. Lower levels of oxygen initiate a series of potentially fatal physiological changes.Charles S. Houston, Scientific American

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