molybdenum

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The Bristol Bay area in southwest Alaska has rich deposits of gold, copper, and molybdenum -- and a fragile ecosystem.

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Definitions (4)

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  1. noun A hard, silvery-white metallic element used to toughen alloy steels and soften tungsten alloy. An essential trace element in plant nutrition, it is used in fertilizers, dyes, enamels, and reagents. Atomic number 42; atomic weight 95.94; melting point 2,617°C; boiling point 4,612°C; specific gravity 10.22 (at 20°C); valence 2, 3, 4, 5, 6. See Table at element.

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Examples (50)

  • The Renwick process for molybdenum was actually going to cause another of those revolutions in the steel business. —  117 - They Died Twice
  • The professor quickly realized that he had only one choice H.S.M., hexo-styro-molybdenum, the drug that speeds up man's metabolism 100,000 times. —  August, 1953
  • The cut-off grades are based on metal price assumptions of US$20. 00 / lb of molybdenum, and a metallurgical recovery of eighty-nine percent for molybdenum. —  Marketwire - Breaking News Releases
  • At the time, it seemed like a good idea as the molybdenum (or moly) market was red-hot. —  The Oil Drum - Discussions about Energy and Our Future
  • The current NI 43-101 compliant resource includes indicated resources of 515 million tonnes ( "MT") grading 0. 39\% CuT and 0. 011\% Mo (0. 46\% Cu eq. (1)) containing 4.43 billion pounds ( "lbs") copper and 125 million lbs molybdenum, and Inferred Resources of 572 MT grading 0. 34\% CuT and —  Marketwire - Breaking News Releases
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Etymologies (2)

Toggle American Heritage etymologies American Heritage Dictionary (1)

  1. New Latin, from earlier molybdena, lead ore, from Latin molybdaena, galena, from Greek molubdaina, from molubdos, lead.

Toggle Century etymologies Century Dictionary (1)

  1. from New Latin molybdænum, a later form for L. molybdæna: see molybdena.
 

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/mɑlɪbˈdinəm/
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