zaffer

noun zaf·fer \ˈzafə(r)\\-frē\\-fə(r)\
variants: or

zaffre

\ˈzafə(r)\ less commonly

zaffree

\-frē\ or

zaffar

or

zaffir

\-fə(r)\

Definition of zaffer

plural

-s

  1. 1a :  an impure cobalt oxide obtained as a dark earthy powder usually by roasting cobaltite or smaltite and used in the manufacture of smalt and as a blue ceramic color b :  smalt

  2. 2 :  any of various mixtures of zaffer (as with silica or iron oxide)

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Origin and Etymology of zaffer

Italian zaffera, probably from Latin sapphirus sapphire — more at sapphire


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