molybdenum
Concise Oxford English Dictionary © 2008 Oxford University Press:
molybdenum /məˈlɪbdənəm/
▶noun the chemical element of atomic number 42, a brittle silver-grey metal. (Symbol: Mo)
– origin C19: mod. L., earlier molybdena (orig. denoting a salt of lead), from Gk molubdaina ‘plummet’, from molubdos ‘lead’.
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