a. [f. COBALT + -IC.]

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  1.  Of, pertaining to, or of the nature of, cobalt.

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1782.  Kirwan, Min. Acids, in Phil. Trans., LXXIII. 82. Bismuth … does not affect the true cobaltic part.

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1791.  E. Darwin, Bot. Gard., I. 85. With golden purples, and cobaltic blues.

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1854.  Scoffern, in Orr’s Circ. Sc., Chem. 454. By roasting the cobaltic product.

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  2.  Chem. Applied to the tri-compounds of the metal, as Cobaltic oxide Co2 O3.

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1863–72.  Watts, Dict. Chem., I. 1049. Sesquioxide of cobalt, cobaltic oxide. Ibid., 1044. Tri-salts of cobalt, or cobaltic salts.

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1873.  Williamson, Chem., 191. Cobaltic oxide is a black powder.

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