respirator
noun
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.
Examples of respirator in a Sentence
Rick Sobey, Boston Herald, 4 Mar. 2025
The gardeners — who wore N95 masks, goggles and in some cases respirators — worked methodically.
—Daniel Miller, Los Angeles Times, 18 Feb. 2025
The Administration for Strategic Preparedness and Response, part of the Department of Health and Human Services, manages a national stockpile that has face shields, gloves, respirators, and goggles available to farms that need them.
—Emily Mullin, WIRED, 22 Jan. 2025
The iron lung was a large, cylindrical unit (measuring up to six feet in length) that functioned as a respirator to help patients who couldn’t breathe on their own.
—Caroline C. Boyle, USA TODAY, 18 Jan. 2025
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Cite this Entry
“Respirator.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/respirator. Accessed 14 Mar. 2025.
Copy CitationKids Definition
respirator
noun
Medical Definition
respirator
noun
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.
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