noun · 3 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
Received-Pronunciation:/ˈdaɪ.əʊd/
General-American:/ˈdaɪ.oʊd/
US:Recorded audio is listed in the source snapshot.
rhymes with -aɪəʊd
CMU ARPABET:D AY1 OW2 D
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
An electronic device that allows current to flow in one direction only; used chiefly as a rectifier.
Definition source: English Wiktionary via Wiktextract
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”).
Across languages
Translations
51 source translations are retained for this English entry.