Word.ws English Dictionary

KF94

KF94 noun: an air particulate filtration standard originating in the Republic of Korea, South Korea, which requires filtration of 94% of air particulates. Also the ellipsis of KF94 filter.

Noun

KF94 (countable and uncountable, plural KF94s)

  1. (uncountable) An air particulate filtration standard originating in the Republic of Korea, South Korea, which requires filtration of 94% of air particulates.
    • However, some fake masks made in China may be labeled KF94, so shoppers still need to do their homework.2022 January 14, Tara Parker-Pope, “How to Find a Quality Mask (and Avoid Counterfeits)”, in The New York Times, archived from the original on 15 Jan 2022

Also used as

KF94 is also the ellipsis of KF94 filter.

KF94 is also the ellipsis of KF94 mask.

Forms of KF94

pluralKF94s

Origin of KF94

Initialism of Korean Filter with 94% filtration efficiency.

Questions about KF94

What does KF94 mean?
KF94 means an air particulate filtration standard originating in the Republic of Korea, South Korea, which requires filtration of 94% of air particulates.
What part of speech is KF94?
KF94 is a noun.
What is the plural of KF94?
The plural of KF94 is KF94s.

Words near KF94 in the dictionary

  1. Keziah
  2. Keziahs
  3. Kezilesu
  4. Kezza
  5. KF
  6. KF94
  7. KF94s
  8. Kfar Aza
  9. KFAS
  10. KFC
  11. KFCB

Source and license

Adapted from Wiktionary: KF94 (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “KF94.” Word.ws, https://word.ws/kf94. Based on Wiktionary, CC BY-SA 4.0.