#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
  subtype:  germanium  a brittle gray crystalline element that is a semiconducting metalloid (resembling silicon) used in transistors; occurs in germanite and argyrodite
  member of:  semiconductor_device__semiconductordevice__semiconductor_unit__semiconductorunit__semiconductor  a conductor made with semiconducting material

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