#semiconductor  a substance as germanium or silicon whose electrical conductivity is intermediate between that of a metal and an insulator; it increases with temperature and in the presence of impurities
  supertype:  conductor.material  a substance that readily conducts e.g. electricity and heat
  member of:  semiconductor_device
  subtype:  germanium__Ge__atomic_number_32  a brittle gray crystalline element that is a semiconducting metalloid (resembling silicon) used in transistors; occurs in germanite and argyrodite

No statement uses or specializes semiconductor; click here to add one.