The Collaborative International Dictionary
Cobaltic
Cobaltic \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.
Wiktionary
cobaltic
a. 1 (context chemistry English) Of or relating to cobalt. 2 (context chemistry English) Containing cobalt in oxidation state 3.