Noun: ammonium u'mow-nee-um
- The ion NH4+ derived from ammonia; behaves in many respects like an alkali metal ion
"Ammonium chloride is a common salt used in cough medicines"; "ammonium ion chloride is a common salt used in cough medicines";
- ammonium ion
Derived forms: ammoniums
Type of: ammonia
Encyclopedia: Ammonium