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

First, you need to put on your own oxygen mask before you give $5,000 oxygen masks to each of your family members.

From MarketWatch ● Jun. 3, 2026

“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

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

From Los Angeles Times ● Dec. 10, 2025

TV images showed Katoa being fitted with an oxygen mask and put on a stretcher.

From Barron's ● Nov. 3, 2025

Another lab tech got up quickly and handed him a vomit bag and oxygen mask.

From "Boy 2.0" by Tracey Baptiste