bn:00037405n
Noun Concept
Categories: 1914 introductions, Military personal equipment, Riot control equipment, American inventions, All articles with vague or ambiguous time
EN
gasmask  respirator  gas helmet  gas mask  Air-filtering respirator
EN
A protective mask with a filter; protects the face and lungs against poisonous gases WordNet 3.0
Definitions
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EN
A protective mask with a filter; protects the face and lungs against poisonous gases WordNet 3.0 & Open English WordNet
A respirator is a device designed to protect the wearer from inhaling hazardous atmospheres including fumes, vapours, gases and particulate matter such as dusts and airborne pathogens such as viruses. Wikipedia
A gas mask is an item of personal protective equipment used to protect the wearer from inhaling airborne pollutants and toxic gases. Wikipedia
A covering for the face with a filter to protect the user from poisonous gas. Wiktionary