It is one of the names used for the chemical element atomic number 74. It is also known as Wolframio, Wolfram or Tungsten. Its chemical symbol is W. The word in Swedish language means heavy stone.
It is a transition metal of atomic number 74, also known as tungsten. The name is of Swedish origin and means "heavy stone", for tung ("heavy") and sten ("stone"); and is preferred in America perhaps because of Anglo-Saxon influence.