| 释义 |
zaf·fer
noun
or zaf·fre \ˈzafə(r)\; also zaf·free \-frē\; or zaf·far or zaf·fir \-fə(r)\
(-s)
Etymology: Italian zaffera, probably from Latin sapphirus sapphire — more at sapphire
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) |