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Noun: platinum  pla-t(u)n-um [N. Amer], pla-ti-num [Brit]
  1. A heavy precious metallic element; grey-white and resistant to corroding; occurs in some nickel and copper ores and is also found native in some deposits
    - Pt, atomic number 78
  2. A whitish grey colour, like that of the metal

Derived forms: platinums

Type of: noble metal

Encyclopedia: Platinum, Alaska