1. A thermionic tube having two electrodes; used as a rectifier
   - rectifying tube, rectifying valve 
2. A semiconductor that consists of a p-n junction
   - semiconductor diode, junction rectifier, crystal rectifier

Derived forms: diodes

Type of: electron tube, semiconductor, semiconductor device, semiconductor unit, thermionic tube, thermionic vacuum tube, thermionic valve, tube, vacuum tube

Encyclopedia: Diode

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