What does smalt mean?
Smalt is a dark blue pigment traditionally produced by grinding cobalt-blue glass into a fine powder. Artists valued it for the intense colour it could give to paintings, while glassworkers and metalworkers also used it as a decorative material in stained glass and enamelling. Because smalt contains glass rather than ordinary mineral pigment, its particles can differ slightly in tone and reflect light differently, giving textured surfaces a distinctive depth. The word now occurs most often in conservation, art history, and descriptions of historical materials, rather than in everyday speech. Although it sounds like a modern colour name, smalt has a longer history and refers to a prepared material rather than simply to a shade of blue. Its unusual origin also connects it with the wider family of words associated with enamel.
nounA dark blue pigment made from powdered cobalt-blue glass and historically used in painting, ceramics, and decoration. It is also used as a decorative material in some forms of stained glass and enamelling.
- A blue pigment made from finely powdered cobalt glass.
- A dark blue vitreous material used decoratively, especially in stained glass and enamelled objects.
"The artist mixed smalt with oil paint to create a deep, durable blue."
"Deep smalt highlights give the portrait its striking blue background."
"The restorer replaced areas of lost pigment with carefully matched smalt."
Plural is used when referring to multiple pigments, colours, or kinds of smalt.
"The conservator compared several smalts before selecting the closest match."
Smalt is blue made from glass: artists ground cobalt-coloured glass into a pigment capable of producing exceptionally intense blues.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does smalt come from?
English smalt entered through German Smalte, which was borrowed from Italian smalto, a word associated with enamelling or vitreous decoration. The Italian form ultimately relates to Medieval Latin smaltare, a source also behind Old French esmail and, through French, English enamel and email. The deeper origin of that Latin verb is uncertain.
How smalt is actually used
Smalt is primarily a historical or specialist term today. It is related in origin to words such as enamel and email, although modern email does not retain the sense of decorative vitreous material.
Easily confused with smalt
Smalt is a powdered blue glass or pigment, whereas smaltite is a cobalt-bearing mineral.