R100 en · NOUN
Etymology
From Initialism of Resistant to oil particles with 100% filtration efficiency in NIOSH air filtration ratings.
Meanings
- (uncountable) R100; Ellipsis of NIOSH R100. ▸ R100 standard
- (countable) R100; Ellipsis of NIOSH R100. ▸ R100 filter
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| R100s | Number=Plur | lexicographic |