/ ˈdaɪəʊd; NAmE -oʊd/ noun
( technical ) an electronic device in which the electric current passes in one direction only, for example a silicon chip
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WORD ORIGIN
early 20th cent.: from di- two + a shortened form of electrode .
DIODE
Meaning of DIODE in English
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005