a. [f. COBALT + -(I)FEROUS.] Containing or yielding cobalt.
1863–72. Watts, Dict. Chem., I. 1042. When cobalt is fused with silver, two layers are formed, the lower consisting of cobaltiferous silver, the upper of argentiferous cobalt.
1879. J. J. Young, Ceram. Art, 175. The cobaltiferous ore.
