respirator
noun
Meaning
A protective device worn over the mouth and nose to filter out harmful particles, gases, or vapors from the air.
Examples
- Workers in the chemical factory must wear a respirator at all times to avoid inhaling dangerous fumes.
- The painter put on his respirator before spraying the toxic varnish in the small, unventilated room.
Synonyms: mask, filter mask, gas mask, breathing apparatus