Respirator

Common synonyms include: air supply device, breathing device, dust mask, filter mask, gas helmet, gasmask.

noun

noun ·4 syllables ·Rare ·Advanced level

Definitions

Noun

1
A device to assist breathing.
2
a protective mask with a filter; protects the face and lungs against poisonous gases wordnet
3
A device to assist breathing.; A facemask with integrated filter(s) to keep out harmful dusts, fumes, and mists.
"Any N95 respirator is designed to filter out 95 percent of particles 0.3 microns or larger."
4
a breathing device for administering long-term artificial respiration wordnet

"Tom is hooked up to a respirator."

From respirate + -or.