molybdenum
/mɒˈlɪbdɪnəm/noun
mass noun
- the chemical element of atomic number 42, a brittle silver-grey metal of the transition series, used in some alloy steels. Symbol: Mo.（化学元素）钼（符号： Mo）。
词源
early 19th cent.: modern Latin, earlier molybdena (originally denoting a salt of lead), from Greek molubdaina 'plummet'， from molubdos 'lead'.