smalts

/smɔlts/
noun
  1. A blue glass or pigment made by fusing silica, potash, and cobalt oxide, used in ceramics and painting.
    • The painter used smalts to achieve a deep blue sky in the fresco.
    • The chemist analyzed the smalts to determine the cobalt content.
    • Historically, smalts were imported from Europe for use in Chinese porcelain.
Synonyms
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