Definitions from WordNet (gas helmet)

▸ noun:  a protective mask with a filter; protects the face and lungs against poisonous gases
▸ Also see gas_helmet


▸ Words similar to gas helmets
▸ Usage examples for gas helmets

▸ Idioms related to gas helmets
▸ Wikipedia articles (New!)
▸ Words that often appear near gas helmets
▸ Rhymes of gas helmets

▸ Invented words related to gas helmets