pre·​ox·​y·​gen·​ation -ˌäk-si-jə-ˈnā-shən, -äk-ˌsij-ə- How to pronounce preoxygenation (audio)
: inhalation of large quantities of essentially pure oxygen usually as a prelude to some activity or medical procedure in which it is desirable to minimize nitrogen and maximize oxygen in the blood and tissues

Dictionary Entries Near preoxygenation

Cite this Entry

“Preoxygenation.” Medical Dictionary, Merriam-Webster, Accessed 31 Jan. 2023.

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