from the GNU version of the Collaborative International Dictionary of English

  • n. A greenish blue pigment prepared in various ways, consisting essentially of cobalt stannate. Unlike other cobalt blues, it does not change color by gaslight.

from The Century Dictionary and Cyclopedia

  • n. A blue pigment, consisting of stannate of protoxid of cobalt, mixed with stannic acid and sulphate of lime. Ure, Dict. Also spelled cæruleum.


Sorry, no etymologies found.


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