Dictionary

gas mask

noun

: a mask used to protect the face and lungs against poisonous gases

Full Definition of GAS MASK

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

First Known Use of GAS MASK

1915

Rhymes with GAS MASK

gas mask

noun    (Medical Dictionary)

Medical Definition of GAS MASK

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

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