zaffer

noun
zaf·​fer
variants: or zaffre \ ˈzafə(r) \ or less commonly zaffree \ -​frē \ or zaffar or zaffir \ -​fə(r) \
plural -s

Definition of zaffer

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

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History and Etymology for zaffer

Italian zaffera, probably from Latin sapphirus sapphire

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Cite this Entry

“Zaffer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/zaffer. Accessed 25 Jan. 2021.

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