- nitrogen sequence
- nitrogen source
- nitrogen star
- nitrogen tetroxide
- nitrogen trichloride
- nitrogen trioxide
- nitrogen use efficiency
- nitrogen-vacancy center
- nitrogen ylide
- nitroglycerin
- nitroglycerine
- nitroglycerin transdermal patches
- nitro ligand
- nitrolime
- nitrolmagnesite
- nitrometer
- nitromethane
- nitrone
- nitro-oxidizers
- nitrophile
- nitrophosphate
- nitrophyte
- nitro-reductase
- nitrosamin
- nitrosamine