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.

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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

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Other Word Forms

Noun Inflected Forms

• oxygen masks
  plural

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Etymology

Origin of oxygen mask

First recorded in 1915–20

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Example Sentences

See Examples For:

oxygen mask

Suspended in a pool, holding onto an oxygen mask as her teeth chattered, Julia Wolf began to seriously consider the possibility of hypothermia.

From Los Angeles Times ● Oct. 12, 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

You’ve heard the instructions: “Put on your own oxygen mask before putting one on your child.”

From MarketWatch ● Jan. 5, 2026

“To be clear: had I not donned my oxygen mask on that July flight, we would have killed every person on that aircraft,” Tellman wrote in a letter to his union detailing the experience.

From The Wall Street Journal ● Dec. 22, 2025

Arletta invited a nurse, a doctor, and one ninety-five-year-old lady in an oxygen mask onto the stage, and they crafted and chatted behind a big white table.

From "Hope Springs" by Jaime Berry

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