Kn95
noun ·Rare ·Advanced level
Definitions
- 1 An air particulate filtration standard originating in the People's Republic of China, which requires filtration of 95% of air particulates that are 0.3 microns and larger. uncountable
"“No one has made this easy, that’s for sure,” said Bill Taubner, president of Bona Fide Masks, the exclusive distributor in the United States for both Powecom and Harley KN95 masks, which are from China. “A lot of people end up doing a lot of research.”"
- 2 Ellipsis of KN95 filter, a filter implementing the standard. abbreviation, alt-of, countable, ellipsis
- 3 Ellipsis of KN95 mask, a facemask using a filter conforming to the standard. abbreviation, alt-of, countable, ellipsis
"Unlike cloth masks, high-quality masks — called N95s, KN95s and KF94s — are made with layers of high-tech filtering material that trap at least 94 to 95 percent of the most risky particles."
Example
More examples"“No one has made this easy, that’s for sure,” said Bill Taubner, president of Bona Fide Masks, the exclusive distributor in the United States for both Powecom and Harley KN95 masks, which are from China. “A lot of people end up doing a lot of research.”"
Etymology
Borrowed from Chinese KN95, from Mandarin 口罩 (Kǒuzhào) + English N95, from an initialism of Not resistant to oil particles with 95% filtration efficiency in NIOSH air filtration ratings.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.