noun
: a close-fitting facepiece connected to a canister through which all air breathed is drawn to protect the respiratory tract and face against irritating and poisonous gases : respirator
noun
: a close-fitting facepiece connected to a canister through which all air breathed is drawn to protect the respiratory tract and face against irritating and poisonous gases : respirator
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012