- deep-blue glass prepared from silica, potash, and oxide of cobalt: used, in pulverized form, as a pigment
- pigment made in this way
- its deep-blue color
Origin of smaltFrench ; from Italian smalto ; from Frankish an unverified form smalt ; from West Germanic base of Old High German smelzan, to melt: see smelt
Origin of smaltFrench, from Italian smalto, enamel, glaze, of Germanic origin; see mel-1 in Indo-European roots.
(countable and uncountable, plural smalts)