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gas mask

American  

noun

  1. a masklike device containing or attached to a component that filters the air inhaled by the wearer through charcoal and chemicals, for protecting the face and lungs against noxious gases and fumes, as in warfare or in certain industrial processes.


gas mask British  

noun

  1. Also called (in Britain): respirator.  a mask fitted with a chemical filter to enable the wearer to breathe air free of poisonous or corrosive gases: used for military or industrial purposes

"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 gas mask

First recorded in 1910–15

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.

A photograph shows him outside the west side of the building in a gas mask, and he later said that he had been punched and hit in the face shield with a flying metal object.

From New York Times

Byerly also is accused of attacking an AP photographer who was wearing a helmet-style gas mask and a lanyard with Associated Press lettering.

From Seattle Times

“Ahh nothing like a new pair of 511’s and a fresh set of level IV SAPI’s in the plate carrier to go ‘peacefully protest’ with,” Thurlow allegedly posted on Facebook next to a photo of himself wearing body armor, camoflage and a gas mask with a knife and AR-15 rifle next to a Christmas tree, prosecutors said.

From Washington Post

Last summer, Herbert Chow, who owns Chickeeduck, a children’s clothing chain, installed a seven-foot figurine of a protester — a woman wearing a gas mask and thrusting a protest flag — and other protest art in his stores.

From New York Times

“He pushed me to the ground and tried to violently tear away my gas mask and helmet.”

From Washington Post