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Noun diode has 2 senses
- diode, rectifying tube, rectifying valve - a thermionic tube having two electrodes; used as a rectifier
--1 is a kind of tube, vacuum tube, thermionic vacuum tube, thermionic tube, electron tube, thermionic valve
- diode, semiconductor diode, junction rectifier, crystal rectifier - a semiconductor that consists of a p-n junction
--2 is a kind of semiconductor device, semiconductor unit, semiconductor
--2 has particulars: light-emitting diode, LED
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