#semiconductor_diode__semiconductordiode__diode__junction_rectifier__crystal_rectifier__crystalrectifier  a semiconductor that consists of a p-n junction
  supertype:  semiconductor_device__semiconductordevice__semiconductor_unit__semiconductorunit__semiconductor  a conductor made with semiconducting material
  subtype:  light-emitting_diode__LED  diode such that light emitted at a p-n junction is proportional to the bias current; color depends on the material used

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