gas mask

noun

: a mask connected to a chemical air filter and used to protect the face and lungs from toxic gases
broadly : respirator sense 1

Examples of gas mask in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The major told me that many Soviet gas masks can still be found scattered in the bush. — Marzio G. Mian, Vanity Fair, 16 June 2026 Officers in riot helmets and gas masks formed a line at the front doors of the store, at one point appearing to fire tear gas to disperse the crowd. — Meredith Deliso, ABC News, 17 June 2026 Wearing nothing but gas masks, Hal and Lois sneak inside the noxious home to do the deed in privacy from their kids. — Glenn Garner, Deadline, 9 Apr. 2026 All that changed when a video was leaked less than an hour before the start of the draft of Tunsil with a homemade bong-gas mask hybrid that would make Jeff Spicoli proud. — Austin Perry Outkick, FOXNews.com, 22 Apr. 2026 See All Example Sentences for gas mask

Word History

First Known Use

1915, in the meaning defined above

Time Traveler
The first known use of gas mask was in 1915

Rhymes for gas mask

See All Rhymes for gas mask

Browse Nearby Words

gasman
gas mask
gas meter
See all Nearby Words

Cite this Entry

“Gas mask.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gas%20mask. Accessed 7 Jul. 2026.

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Kids Definition

gas mask

noun
: a mask connected to a chemical air filter and used to protect the face and lungs against harmful gases

Medical Definition

gas mask

noun
: a mask connected to a chemical air filter and used to protect the face and lungs from toxic gases
broadly : respirator sense 1

More from Merriam-Webster on gas mask

Nglish: Translation of gas mask for Spanish Speakers

Britannica.com: Encyclopedia article about gas mask

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