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

“You want to put on your own oxygen mask first,” said Allen Mueller, a financial adviser in the Dallas area.

From The Wall Street Journal ● May 23, 2026

Opposite Mona, her other son was holding an oxygen mask to his mouth and could not speak.

From BBC ● Mar. 12, 2026

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

From MarketWatch ● Jan. 5, 2026

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

From Los Angeles Times ● Dec. 10, 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