8 entries under noun topic. ×

3
breathing device
2
breathing machine
2
ventilator
0
gas mask(expression, ventilator, respirator)
0
iron lung(expression, ventilator, respirator)
0
life support machine(expression, idiom, ventilator, respirator)
0
oxygen mask(expression, ventilator, respirator)
0
respirator
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APASmart Define. (2013). breathing apparatus thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/breathing_apparatus/thesaurus/synonyms
ChicagoSmart Define. 2013. "breathing apparatus thesaurus" https://smartdefine.org/breathing_apparatus/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2013, breathing apparatus thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/breathing_apparatus/thesaurus/synonyms>.
MLASmart Define. "breathing apparatus thesaurus" 19 May 2013. Web. 1 October 2026. <https://smartdefine.org/breathing_apparatus/thesaurus/synonyms>