Nitrogen backpacks Synonyms
We can't find synonyms for the phrase "Nitrogen backpacks", but we have synonyms for terms, you can combine them.NB abbreviation
NB is an abbreviation for Nitrogen BackpacksWhat does NB stand for?
NB stands for "Nitrogen Backpacks" Definitions for Nitrogen
- (noun) a common nonmetallic element that is normally a colorless odorless tasteless inert diatomic gas; constitutes 78 percent of the atmosphere by volume; a constituent of all living tissues