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

Etymology

Origin of oxygen mask

First recorded in 1915–20

Example Sentences

See Examples For:

oxygen mask

On Tuesday the inquest was told that Kamangire had been "in and out" of Moroccan-born Jaafri's room on the ward, checking his oxygen mask, on 21 April 2025.

From BBC ● Aug. 18, 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

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

From The Wall Street Journal ● Dec. 22, 2025

Like they say on airplanes, put on your own oxygen mask before helping others with theirs.

From Los Angeles Times ● Dec. 10, 2025

I’m in a hospital bed getting good air from an oxygen mask and checking out all the love from the Plutos on my Instagram pics.

From "They Both Die at the End" by Adam Silvera