cuprammonium

noun
cu·pram·mo·ni·um | \¦k(y)üprə¦mōnēəm, -nyəm\
plural -s

Definition of cuprammonium 

1 : any of certain complex ammino radicals or cations containing copper and ammonia especially : the bivalent tetrammine-copper cation Cu(NH3)4 compounds of which are formed by the action of ammonia on ordinary cupric compounds

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History and Etymology for cuprammonium

cupr- + ammonium

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