zaffre

zaffer

[zaf-er]
noun
an artificial mixture, resembling smalt, containing cobalt oxide and, usually, silica, used to produce a blue color in glass and in ceramic glazes.
Also, zaffre.


Origin:
1655–65; < Italian zaffera, perhaps < Latin sapphīra sapphire

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World English Dictionary
zaffer or zaffre (ˈzæfə)
 
n
impure cobalt oxide, used to impart a blue colour to enamels
 
[C17: from Italian zaffera; perhaps related to Latin sapphīrussapphire]
 
zaffre or zaffre
 
n
 
[C17: from Italian zaffera; perhaps related to Latin sapphīrussapphire]

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