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 Experts also recommend wearing a mask or respirator. video Drainage systems overwhelmed by storm surge in North Carolina If floodwater has entered a home, dry it out as soon as possible to prevent mold. Jen Christensen, CNN, 27 Sep. 2024 That’s even though studies have clearly shown that N95 respirators can decrease SARS-CoV-2 transmission. Bruce Y. Lee, Forbes, 17 Sep. 2024 At the country’s other adult education center, in Clewiston, sparks fly as dozens of students in thick gloves and respirator masks work toward industrial certifications needed to enter the workforce. Alena Botros, Fortune, 17 June 2024 The administration then almost immediately invoked the Defense Production Act and mimicked Brussels’s beggar-thy-neighbor policy by limiting American exports of respirators and masks, too. Chad P. Bown, Foreign Affairs, 28 Apr. 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 31 Oct. 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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