N99
Translingual
[edit]Etymology
[edit]Noun
[edit]N99
- A filtration type that efficiently filters out 99% of airborne particulates of 0.3 microns (“μm”) (and all larger particles), but which is not resistant to oils.
- By extension, filtration standard of 99% of airborne particulates
- A filter implementing the N99 standard.
Coordinate terms
[edit]Related terms
[edit]English
[edit]Etymology
[edit]From Initialism of Not resistant to oil particles with 99% filtration efficiency in NIOSH air filtration ratings.
Noun
[edit]N99 (countable and uncountable, plural N99s)
- N99; Ellipsis of NIOSH N99.
- (uncountable) N99 standard
- (countable) N99 filter
Coordinate terms
[edit]Related terms
[edit]Categories:
- Translingual terms borrowed from English
- Translingual terms derived from English
- Translingual lemmas
- Translingual nouns
- Translingual terms spelled with numbers
- English initialisms
- English lemmas
- English nouns
- English uncountable nouns
- English countable nouns
- English words without vowels
- English terms spelled with numbers
- English ellipses