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Diode

//ˈdaɪ.əʊd// noun

Definitions

Noun
  1. 1
    An electronic device that allows current to flow in one direction only; used chiefly as a rectifier.

    "I propose to give the name diode to a tube with two electrodes."

  2. 2
    a semiconductor that consists of a p-n junction wordnet
  3. 3
    a thermionic tube having two electrodes; used as a rectifier wordnet

Etymology

From di- (“two”) + -ode. Learned formation, coined by William Henry Eccles in 1919, after Ancient Greek δίοδος (díodos, “passage through”), which however is formed not with δι- (di-, “two”) but with δια- (dia-, “through”).

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