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

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1915

GAS MASK Defined for Kids

noun

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

Medical Dictionary

noun

: 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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