- nanogram; nanograms.
- Chemistry. nitroglycerin.
- Anatomy. nasogastric.
- no good.
- National Guard.
- New Guinea.
- no good.
the internet domain name for
- Nigeria
abbreviation for
- (in the US) National Guard
- New Guinea
- Also: ng no good
abbreviation of no good, attested from 1838; variant n.b.g. for no bloody good is first recorded 1903. abbr.
- nanogram
abbr.
- nasogastric