diode Dioctophyme • Diodia · · · Info · Definitions · Synonyms · Characters · · diode · · Text Latin · · Script 5 · · Length 1 · · Syllables Definitions · · · (noun) a thermionic tube having two electrodes; used as a rectifier. Synonyms: rectifying tube, rectifying valve. · · Noun Definition 1 (noun) a semiconductor that consists of a p-n junction. Synonyms: semiconductor diode, junction rectifier, crystal rectifier. · · Noun Definition 2 Synonyms · · · rectifying tube · · Synonym 1 rectifying valve · · Synonym 2 semiconductor diode · · Synonym 3 junction rectifier · · Synonym 4 crystal rectifier · · Synonym 5 Characters · · d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 o latin small letter o U+006F