\Co*balt"ic\ (?; 74), a. [Cf. F. cobaltique.] (Chem.)
Pertaining to, derived from, or containing, cobalt; -- said
especially of those compounds in which cobalt has higher
valence; as, cobaltic oxide.
{Luteo-cobaltic compounds} (Chem.), an extensive series of
   complex yellow compounds of ammonia and cobaltic salts.
{Roseo-cobaltic compounds} (Chem.), an extensive series of
   complex red compounds of cobalt and ammonia. Modifications
   of these are the {purpureo-cobaltic compounds}.