- 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: Fr from Italian smalto from Frankish an unverified form smalt from West Germanic base of Old High German smelzan, to melt: see smelt
Used by arrangement with John Wiley & Sons, Inc.
Origin: French, from Italian smalto, enamel, glaze, of Germanic origin; see mel-1 in Indo-European roots.