1. 
   Zaffer
   Zaf'fer noun [ French zafre , safre ; confer Spanish zafra , safra , Italian saffera , German zaffer ; all probably of Arabic origin. Confer Zaphara .] A pigment obtained, usually by roasting cobalt gla...
   Found op http://www.encyclo.co.uk/webster/Z/1
   
   
2. 
   Zaffer
   • (n.) A pigment obtained, usually by roasting cobalt glance with sand or quartz, as a dark earthy powder. It consists of crude cobalt oxide, or of an impure cobalt arseniate. It is used in porcelain painting, and in enameling pottery, to produce a blue color, and is often confounded with smalt...
   Found op http://thinkexist.com/dictionary/meaning/zaffer/
   
   

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