Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun respirator

2 senses of respirator

Sense 1
respirator, inhalator -- (a breathing device for administering long-term artificial respiration)
       => breathing device, breathing apparatus, breathing machine, ventilator -- (a device that facilitates breathing in cases of respiratory failure)

Sense 2
gasmask, respirator, gas helmet -- (a protective mask with a filter; protects the face and lungs against poisonous gases)
       => mask -- (a protective covering worn over the face)