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

---

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

Later he tells me to take control of the plane with the stick as I wear my helmet and oxygen mask and hear his instructions on the radio.

From Los Angeles Times ● Aug. 23, 2026

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

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

From MarketWatch ● Jan. 5, 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

Then I got an oxygen mask from the medical supplies and some lab goggles from Vogel's chem kit.

From "The Martian" by Andy Weir

Random Word

Spin the wheel and learn a new word!

---