diodePronunciation: /ˈdʌɪəʊd/Translate diode | into Italian Definition of diode noun Electronics a semiconductor device with two terminals, typically allowing the flow of current in one direction only. a thermionic valve having two electrodes (an anode and a cathode). Origin: early 20th century: from di-1 'two' + a shortened form of electrodediode in other Oxford dictionaries Definition of diode in the US English dictionary
