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Noun: manganese  'mang-gu,nees
  1. A hard brittle grey polyvalent metallic element that resembles iron but is not magnetic; used in making steel; occurs in many minerals
    - Mn, atomic number 25

Derived forms: manganeses

Type of: metal, metallic element

Part of: hausmannite, manganite, psilomelane, pyrolusite, rhodochrosite

Encyclopedia: Manganese, West Virginia