oxygen mask

noun

: a device worn over the nose and mouth through which oxygen is supplied from a storage tank

Examples of oxygen mask 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.
Flight attendants reported intense shaking and seeing a small amount of smoke or fog in the cabin before oxygen masks dropped from the ceiling. Thao Nguyen, USA Today, 11 Sep. 2026 Continue reading … HOLD ON TIGHT — Jet plunges 27,000 feet in 10 minutes as oxygen masks suddenly drop onboard. FOXNews.com, 10 Sep. 2026 Rescuers drilled at the tunnels to send trapped workers food and oxygen masks. Jessie Yeung, CNN Money, 31 Aug. 2026 Its job involves managing the air supply delivered through the oxygen mask. Aamir Khollam, Interesting Engineering, 28 Aug. 2026 See All Example Sentences for oxygen mask

Word History

First Known Use

1920, in the meaning defined above

Time Traveler
The first known use of oxygen mask was in 1920

Browse Nearby Words

Cite this Entry

“Oxygen mask.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oxygen%20mask. Accessed 13 Sep. 2026.

Kids Definition

oxygen mask

noun
: a device worn over the nose and mouth through which oxygen is supplied from a storage tank

Medical Definition

oxygen mask

noun
: a device worn over the nose and mouth through which oxygen is supplied from a storage tank
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster