[mass noun]the chemical element of atomic number 25, a hard grey metal of the transition series. Manganese is an important component of special steels and magnetic alloys(Symbol: Mn) (化学元素)锰((符号: Mn)) ■the black dioxide of this as an industrial raw material or additive, especially in glass-making (工业原料或添加剂,尤用于玻璃制造)二氧化锰
语源
late 17th cent.: via French from Italian manganese, unexplained alteration of medieval Latin magnesia (see magnesia)