Metalammonium

• (n.) A hypothetical radical derived from ammonium by the substitution of metallic atoms in place of hydrogen.
Found on http://thinkexist.com/dictionary/meaning/metalammonium/

Metalammonium

Met`al·am·mo'ni·um noun [ Metal + ammonium .] (Chemistry) A hypothetical radical derived from ammonium by the substitution of metallic atoms in place of hydrogen.
Found on http://www.encyclo.co.uk/webster/M/55
No exact match found