zaffer
/'zæfә(r)/
📖 中文释义
- n. 含氧化钴的混合物,花绀青
📘 English Definition（英文释义）
- 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, from which, however, it is distinct, as it
- contains no potash. The name is often loosely applied to mixtures of
- zaffer proper with silica, or oxides of iron, manganese, etc.