1) Chemical compound 2) Compound 
Compare with amine. A metal ion complex containing ammonia as a ligand. The ammonia nitrogen is bound directly to a metal ion in ammines; amines differ in that the ammonia nitrogen is directly bound to a carbon atom.
[n] - a complex inorganic compound that contains ammonia molecules
A metal ion complex containing ammonia as a ligand. The ammonia nitrogen is bound directly to a metal ion in ammines; amines differ in that the ammonia nitrogen is directly bound to a carbon atom. See also: Amine, Ammonia.
noun a complex inorganic compound that contains ammonia molecules
a compound containing one or more ammonia molecules in coordinate linkage. · any coordination compound containing one or more ammonia molecules bonded to a metal ion.