smalt

American  

[smawlt] / smɔlt /

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.

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smalt British  

/ smɔːlt /

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

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Etymology

Origin of smalt

1550–60; < Middle French < Italian smalto smalto

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Example Sentences

See Examples For:

smalt

“As for me, I will grab even this smalt chance to get a decent man in the palace,” said Auntie.

From "Taste of Salt: A Story of Modern Haiti" by Frances Temple

Zaffre is the roasted mineral ground with sand, while smalt, a term used more frequently, is the fused mixture with sand.

From De Re Metallica, Translated from the First Latin Edition of 1556 by Georgius Agricola

The best smalt in lumps appears black, yields a blue powder on grinding, becomes paler on further grinding, and may be almost decolourised by continued and excessive grinding.

From Field's Chromatography or Treatise on Colours and Pigments as Used by Artists by Thomas Salter

The grittiness to which we have referred is one of the defects of smalt, which cannot, consistently with preserving its colour be entirely freed from that drawback—an objection which pertains to vitreous pigments in general.

From Field's Chromatography or Treatise on Colours and Pigments as Used by Artists by Thomas Salter

The smalt is usually composed of one part of calcined cobalt, fused with two parts of powder of flint and one of pot-ash.

From Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry by Joseph Priestley

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