ppb
see also: PPB
Noun
PPB
Noun
This text is extracted from the Wiktionary and it is available under the CC BY-SA 3.0 license | Terms and conditions | Privacy policy 0.003
see also: PPB
Noun
ppb (plural ppb)
Synonyms- (parts per billion) nU, nanouno
PPB
Noun
This text is extracted from the Wiktionary and it is available under the CC BY-SA 3.0 license | Terms and conditions | Privacy policy 0.003