- 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.
Origin of gas mask
First recorded in 1910–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for gas mask
His gas-mask had been blown to atoms with Observation-Post Fourteen.
There was no use in approaching the school-house, though he had a gas-mask now.
We don't need mercury any more than a goldfish needs a gas-mask.Spacehounds of IPC
Edward Elmer Smith
"God, I envy a man who can snore through a gas-mask," said Randolph.One Man's Initiation--1917
John Dos Passos
With a gas-mask on a man is not more than fifty per cent efficient.Huts in Hell
Daniel A. Poling
- 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 purposesAlso called (in Britain): respirator