A deep blue paint and ceramic pigment produced by pulverizing a glass made of silica, potash, and cobalt oxide.
Deep-blue glass prepared from silica, potash, and oxide of cobalt: used, in pulverized form, as a pigment.
Pigment made in this way.
Its deep-blue color.
Origin of smalt
- French from Italian smalto enamel, glaze of Germanic origin mel-1 in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition