respirator

noun

res·​pi·​ra·​tor ˈre-spə-ˌrā-tər How to pronounce respirator (audio)
plural respirators
1
: a mask or device worn over the mouth and nose to protect the respiratory system by filtering out dangerous substances (such as dusts, fumes, or bacteria) from inhaled air

Note: Particulate respirator masks are only able to filter out particles and are not effective against gases or vapors. A numerical rating (such as 95 or 99) is sometimes assigned to such a respirator to indicate the percentage of airborne particles filtered. A letter may also be assigned to indicate whether it is somewhat resistant (R), not resistant (NR), or strongly resistant (P) to the degrading effects of oil on proper respirator function.

2
: a device for maintaining artificial respiration : ventilator sense b

Examples of respirator in a Sentence

Recent Examples on the Web When cleaning ash after a wildfire, wear goggles and a snug respirator mask such as an N-95 or P-100. Dorany Pineda, The Christian Science Monitor, 25 July 2024 But that was particularly difficult during a poultry outbreak in northern Colorado, where about 160 workers had to wear Tyvek suits, respirators, goggles, boots and gloves while culling the birds as temperatures soared as high as 104 degrees. Tina Reed, Axios, 17 July 2024 At the hospital, Shakur remained on a respirator in intensive care. Danielle Bacher, Peoplemag, 26 July 2024 When no European state answered Italy’s urgent appeal for medical equipment and protective gear, China publicly committed to sending 1,000 ventilators, two million masks, 100,000 respirators, 20,000 protective suits, and 50,000 test kits. Kurt M. Campbell, Foreign Affairs, 18 Mar. 2020 See all Example Sentences for respirator 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'respirator.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1836, in the meaning defined at sense 1

Time Traveler
The first known use of respirator was in 1836

Dictionary Entries Near respirator

Cite this Entry

“Respirator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/respirator. Accessed 19 Aug. 2024.

Kids Definition

respirator

noun
res·​pi·​ra·​tor ˈres-pə-ˌrāt-ər How to pronounce respirator (audio)
1
: a device covering the mouth and nose especially to prevent the breathing in of harmful substances (as dust or fumes)
2
: a device used to maintain artificial respiration

Medical Definition

respirator

noun
res·​pi·​ra·​tor ˈres-pə-ˌrāt-ər How to pronounce respirator (audio)
1
: a mask or device worn over the mouth and nose to protect the respiratory system by filtering out dangerous substances (as dusts, chemical fumes, or bacteria) from inhaled air

Note: Particulate respirator masks are only able to filter out particles and are not effective against gases or vapors. A numerical rating (such as 95 or 99) is sometimes assigned to a particulate respirator to indicate the percentage of airborne particles filtered. A letter may also be assigned to indicate whether it is somewhat resistant (R), not resistant (NR), or strongly resistant (P) to the degrading effects of oil on proper respirator function.

2
: a device for maintaining artificial respiration : ventilator

More from Merriam-Webster on respirator

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