Skip to definition.
Get the FREE one-click dictionary software for Windows.


Noun: platinum  pla-ti-num
  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

Derived forms: platinums

Type of: noble metal

Encyclopedia: Platinum Platinum, AK Platinum, Alaska