d 2 i 1 o 1 d 2 e 1
5 letters · 7 points in Scrabble
Meaning
noun a thermionic tube having two electrodes; used as a rectifier
noun a semiconductor that consists of a p-n junction
originFrom 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”).
Etymology from Wiktionary, CC BY-SA 3.0