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Noun: tantalum  tan-tu-lum
  1. A hard, grey, lustrous metallic element that is highly resistant to corrosion; occurs in niobite, fergusonite, and tantalite
    - Ta, atomic number 73

Derived forms: tantalums

Type of: metal, metallic element

Part of: columbite, fergusonite, niobite, tantalite

Encyclopedia: Tantalum