oxygen mask

American

noun

a masklike device placed or worn over the nose and mouth when inhaling supplementary oxygen from an attached tank.

oxygen mask British

noun

a device, worn over the nose and mouth, to which oxygen is supplied from a cylinder or other source: used to aid breathing

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of oxygen mask

First recorded in 1915–20

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Even if oxygen masks weren’t needed, it is too soon to remove the seat belts.

From The Wall Street Journal

She pulls the oxygen mask off her face.

From Literature

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

From Literature

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

From MarketWatch

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

From The Wall Street Journal

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023