Definition of smalt in US English:

smalt

noun

historical
  • 1Glass colored blue with cobalt oxide.

    • ‘The rich green against the blue smalt should make Warner's bedchamber look even more dramatic.’
    • ‘One pertinent example was an advertisement in the New-York Gazette in 1748 for blue smalt, just in from London.’
    • ‘Where the horizontal elements of the paneling collected the most smalt, there is an almost neon glow to the blue.’
    • ‘By that time also artificial blues had been discovered, smalt or cobalt blue which is cobalt aluminate in the 17th century, and then the famous Prussian blue, in 1704.’
    • ‘The blue colour of smalt derives from the addition of cobalt oxide to a potash glass melt during manufacture.’
    1. 1.1 A pigment made by pulverizing smalt glass.
      • ‘By the time of the last one-foot band, the painters were working together to try several methods at once, aiming for a maximum of smalt.’
      • ‘He took a sample about one-half-inch square that went right down to the bare wood for perusal in the laboratory and discovered that what we had was smalt.’
      • ‘In the meantime, the only room that we know of here or in England completely treated with smalt is the Warner House's parlor bedchamber.’
      • ‘Eighteenth- and early nineteenth-century texts on smalt were also unhelpful, generally failing to describe how to apply it to large vertical surfaces.’
      • ‘They applied the mauve paint as evenly as possible, so that the thickness of the paint would not affect the amount of smalt it held.’

Origin

Mid 16th century: from French, from Italian smalto, of Germanic origin; related to smelt.

Pronunciation

smalt

/smɔlt//smôlt/