a mixture of impure oxides of cobalt, used in making smalt and as a blue pigment in ceramic glazes, glassmaking, etc.
Origin of zaffer; from French zafre or Italian zaffera, probably ; from Arabic ṣufr, yellow copper, brass
An impure oxide of cobalt, used to produce a blue color in enamel and in the making of smalt.
Origin of zafferItalian zaffera, from Old French safre, perhaps alteration of safir, sapphire; see sapphire, or from Arabic &slowdot;ufr, yellow copper, brass, from ’a&slowdot;far, yellow; see &slowdot;pr2 in Semitic roots.
(countable and uncountable, plural zaffers)
- Alternative form of zaffre.