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.

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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

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Etymology

Origin of gas mask

First recorded in 1910–15

Example Sentences

When he does fly, he carries a gas mask.

From The Wall Street Journal

In an incredible moment of valour, within the chaos and madness, Laidlaw tore off his own gas mask, climbed up on the parapet and started playing the pipes.

From BBC

A man wearing all black and a gas mask was tackled and pushed to the ground by police before he was handcuffed and taken away.

From Los Angeles Times

Footage shows Woolf—arms raised and holding a gas mask—taking slow steps backward.

From The Wall Street Journal

He also keeps a gas mask, helmet and body armor on hand, he said, just in case.

From The Wall Street Journal