tantalum

Noun
  1. A hard grey lustrous metallic element that is highly resistant to corrosion;
    Occurs in niobite and fergusonite and tantalite (synset 114680845)
    is a type of: metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
    substance meronym:
    • fergusonite - a dark mineral consisting of oxides of yttrium and erbium and tantalum and other minerals
    • columbite, niobite - a black mineral that is an ore of niobium and tantalum
    • tantalite - a mineral consisting of tantalum oxide of iron and manganese that occurs with niobite or in coarse granite; an ore of tantalum
    same as: atomic number 73, ta

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