gasmask

/ˈɡæsmæsk/
noun
  1. A protective mask that covers the face and filters the air to protect the wearer from harmful gases, chemicals, or smoke.
    • The firefighter put on a gasmask before entering the smoke-filled building.
    • In some countries, people keep a gasmask in their emergency kit in case of industrial accidents.
    • Soldiers wore gasmasks during the training exercise to prepare for chemical attacks.
Synonyms
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