zaffer
noun
an artificial mixture, resembling smalt, containing cobalt oxide and, usually, silica, used to produce a blue color in glass and in ceramic glazes.
zaffre
-
a variation of
zaffer.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The ore of cobalt, called zaffre, is found in several parts of Europe, but chiefly in Saxony.
From Heads of Lectures on a Course of Experimental Philosophy: Particularly Including Chemistry by Joseph Priestley
Dissolve zaffre, in powder, in aqua regia, for twenty-four hours.
From Endless Amusement A Collection of Nearly 400 Entertaining Experiments by Unknown
The first practical use of cobalt was in the form of zaffre or cobalt blue.
From De Re Metallica, Translated from the First Latin Edition of 1556 by Georgius Agricola
