Molybdenum

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  • noun. A hard, silvery-white metallic element used to toughen steels and in corrosion-resistant nickel alloys. An essential trace element in plant nutrition, it is used in fertilizers, dyes, enamels, and reagents. Atomic number 42; atomic weight 95.96; melting point 2,623°C; boiling point 4,639°C; specific gravity 10.22 (at 20°C); valence 2, 3, 4, 5, 6. cross-reference: Periodic Table.
    • The Century Dictionary and Cyclopedia
  • noun. Chemical symbol, Mo; atomic weight, 95. 8. A metal of a silver-white color, but harder than silver, which fuses with difficulty, if at all, at the highest temperature of a wind-furnace.
    • the GNU version of the Collaborative International Dictionary of English
  • noun. A rare element of the chromium group, occurring in nature in the minerals molybdenite and wulfenite, and when reduced obtained as a hard, silver-white, difficulty fusible metal. Symbol Mo. Atomic number 42. Atomic weight 95.94.
    • Wiktionary, Creative Commons Attribution/Share-Alike License
  • noun. A metallic chemical element (symbol Mo) with an atomic number of 42.
    • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • noun. a polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel
    • Word Usage
    "If copper is the life blood of the economy, I call molybdenum the glue of the economy."
    cross-reference
    powellite  wulfenite  
    Hypernym
    Words that are more generic or abstract
    metal  metallic element  
    Same Context
    Words that are found in similar contexts
    aluminium  aluminum  arsenic  barium  beryllium  
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