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oxygen mask

American  

noun

  • oxygen masks
    plural
  1. a masklike device placed or worn over the nose and mouth when inhaling supplementary oxygen from an attached tank.


oxygen mask British  

noun

  1. a device, worn over the nose and mouth, to which oxygen is supplied from a cylinder or other source: used to aid breathing

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms


Etymology

Origin of oxygen mask

First recorded in 1915–20


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

As he was wheeled away to a waiting ambulance, Gil wore an oxygen mask and neck brace, and his face showed bruising.

From Los Angeles Times ● Jul. 5, 2026

I don’t like to spout clichés, but you do have to put your own oxygen mask on first in this situation.

From MarketWatch ● Mar. 11, 2026

Al-Salem remained seated on the video link throughout the hearing, wearing what appeared to be an oxygen mask.

From BBC ● Mar. 10, 2026

Starting to feel confused and worried he might pass out, Tellman reached for his oxygen mask.

From The Wall Street Journal ● Dec. 22, 2025

Angel’s eyelids fluttered, then her eyes rolled in fear as she thrashed her arms wildly, pulling off the oxygen mask and screaming in terror.

From "Forged by Fire" by Sharon M. Draper

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