- a type of silica glass coloured deep blue with cobalt oxide
- a pigment made by crushing this glass, used in colouring enamels
WordReference Random House Unabridged Dictionary of American English © 2020
smalt (smôlt),USA pronunciation n.
- Ceramicsa 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.
- Italian smalto smalto
- Middle French
Collins Concise English Dictionary © HarperCollins Publishers::
smalt /smɔːlt/ n
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