smalt

[smawlt]
noun
  1. a coloring agent made of blue glass produced by fusing silica, potassium carbonate, and cobalt oxide, used in powdered form to add color to vitreous materials.

Origin of smalt

1550–60; < Middle French < Italian smalto smalto
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British Dictionary definitions for smalt

smalt

noun
  1. a type of silica glass coloured deep blue with cobalt oxide
  2. a pigment made by crushing this glass, used in colouring enamels
  3. the blue colour of this pigment

Word Origin for smalt

C16: via French from Italian smalto, of Germanic origin; related to smelt 1
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