diode

Noun
  1. A thermionic tube having two electrodes;
    Used as a rectifier (synset 103207624)
    is a type of: electron tube, thermionic tube, thermionic vacuum tube, thermionic valve, tube, vacuum tube - electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
    same as: rectifying tube, rectifying valve
  2. A semiconductor that consists of a p-n junction (synset 103207444)
    is a type of: semiconductor, semiconductor device, semiconductor unit - a conductor made with semiconducting material
    subtypes: led, light-emitting diode - diode such that light emitted at a p-n junction is proportional to the bias current; color depends on the material used
    same as: crystal rectifier, junction rectifier, semiconductor diode

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