Npn
NPN abbr.
nonprotein nitrogen
nonprotein nitrogen
Read Also:
- Npnd
National Parent Network on Disabilities
- N.p.o.
1. Latin non per os (not by mouth) 2. Latin nil per os (nothing by mouth)
- Npp
non-physician practitioner
- Nppc
National Pork Producers Council
- Npphcn
National Progressive Primary Health Care Network