Diode Definition

dīōd
diodes
noun
diodes
An electronic device with two electrodes, as either an electron tube with an anode and a cathode or a transistor with a pn junction, used mainly as a rectifier since it conducts current in only one direction.
Webster's New World
An electron tube with a cathode and anode.
American Heritage
A two-terminal semiconductor device used chiefly as a rectifier.
American Heritage
The definition of a diode is an electronic device with two transmitting terminals that allows electric current to flow in one direction while blocking current in the opposite direction.
An example of a diode is a light-emitting diode, an LED.
YourDictionary
Synonyms:
  • rectifying valve
  • rectifying tube
  • crystal rectifier
  • junction rectifier
  • semiconductor diode
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Other Word Forms of Diode

Noun

Singular:
diode
Plural:
diodes

Origin of Diode

  • Learned formation, coined by William Eccles in 1919, after Greek δίοδος.

    From Wiktionary

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