English Explanatory Dictionary

R100

English dictionary entry

Meanings

noun
  1. R100; Ellipsis of NIOSH R100.
  2. R100 standard
  3. R100 filter

Word forms

R100 R100s

Etymology

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

Related words

N100 P100
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