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diode

DEFINITIONS OF: diode

1

n a thermionic tube having two electrodes; used as a rectifier

Synonyms:
rectifying tube, rectifying valve
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

n a semiconductor that consists of a p-n junction

Synonyms:
crystal rectifier, junction rectifier, semiconductor diode
Types:
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
OLED, organic light-emitting diode
a self-luminous diode (it glows when an electrical field is applied to the electrodes) that does not require backlighting or diffusers
Type of:
semiconductor, semiconductor device, semiconductor unit
a conductor made with semiconducting material
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