#electronic_transistor__transistor__junction_transistor  a semiconductor device capable of amplification
  supertype:  #semiconductor_device__semiconductordevice__semiconductor_unit__semiconductorunit__semiconductor  a conductor made with semiconducting material
  part:  #base.electrode  #collector.electrode  #emitter
  subtype:  #p-n-p_transistor__pnptransistor  a junction transistor having an n-type semiconductor between a p-type semiconductor that serves as an emitter and a p-type semiconductor that serves as a collector

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