Ta, n.
a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite
<noun.substance>
Ta atomic number 73 tantalum
semantic pointers
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substance holonym
Word
a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite
<noun.substance>
Ta atomic number 73 tantalum