zaffer

noun

zaf·​fer
variants or zaffre
ˈzafə(r)
or less commonly zaffree
-frē
or zaffar or zaffir
-fə(r)
plural -s
1
a
: 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)

Word History

Etymology

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 1 Dec. 2022.

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