smalt
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
1Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use smalt in a sentence
It is mainly used in the manufacture of smalts for imparting a blue colour to glass and enamels.
A Textbook of Assaying: For the Use of Those Connected with Mines. | Cornelius Beringer and John Jacob BeringerUsed in both oil and fresco painting; and as a substitute for smalts, of which, indeed, it is a variety.
Smalts (which see; also China-blue and Egyptian Azure, above).
That of the shops is generally a factitious compound made from smalts.
But for Smalts and verditures, I have been able with a Microscope to perceive their particles very many of them transparent.
Micrographia | Robert Hooke
British Dictionary definitions for smalt
/ (smɔːlt) /
a type of silica glass coloured deep blue with cobalt oxide
a pigment made by crushing this glass, used in colouring enamels
the blue colour of this pigment
Origin of smalt
1Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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