molybdenum

molybdenum
[məˈlɪbdənəm]
noun
  1. [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)
  2. A transition metal, molybdenum occurs chiefly in the ore molybdenite. The metal is used in steels to give strength and corrosion resistance, and molybdenum disulphide is used as a lubricant in engine oils
语源
  1. early 19th cent.: modern Latin, earlier molybdena (originally denoting a salt of lead), from Greek molubdaina 'plummet', from molubdos 'lead'
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