#semiconductor_device__semiconductordevice__semiconductor_unit__semiconductorunit__semiconductor  a conductor made with semiconducting material
  supertype:  conductor  a device designed to transmit electricity, heat, etc.
  subtype:  semiconductor_diode  n-type_semiconductor  p-type_semiconductor  thermistor  electronic_transistor
  member:  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

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