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molybdenum Syllabification: mo·lyb·de·num
Pronunciation: /məˈlibdənəm/

Definition of molybdenum in English:


The chemical element of atomic number 42, a brittle silver-gray metal of the transition series, used in some alloy steels. (Symbol: Mo)
Example sentences
  • The corresponding loss in yield strength is compensated by alloying with vanadium, nitrogen, chromium, molybdenum, and titanium.
  • Vanadium, molybdenum, niobium, titanium, chromium, nickel, manganese are but a few of the many metals which make their way into steel to yield alloys with special properties.
  • Common hydroprocessing catalysts consist of an aluminum oxide carrier on to which the metals molybdenum and nickel or cobalt are added.


Early 19th century: modern Latin, earlier molybdena (originally denoting a salt of lead), from Greek molubdaina 'plummet', from molubdos 'lead'.

Words that rhyme with molybdenum

ladanum • laudanum
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