Word.ws English Dictionary

R100

R100 noun: r100 standard.

Noun

R100 (countable and uncountable, plural R100s)

  1. (uncountable) R100 standard
  2. (countable) R100 filter

Forms of R100

pluralR100s

Origin of R100

From Initialism of Resistant to oil particles with 100% filtration efficiency in NIOSH air filtration ratings.

Questions about R100

What does R100 mean?
R100 means r100 standard.
What part of speech is R100?
R100 is a noun.
What is the plural of R100?
The plural of R100 is R100s.

Words near R100 in the dictionary

  1. r0x0r
  2. r0x0red
  3. r0x0ring
  4. r0x0rs
  5. R1
  6. R100
  7. R100s
  8. R16
  9. R2-D2
  10. R2-D2s
  11. R2I

Source and license

Adapted from Wiktionary: R100 (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.

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Cite this entry: “R100.” Word.ws, https://word.ws/r100. Based on Wiktionary, CC BY-SA 4.0.