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QED.

(Partial) initialism of quantum electrodynamics.

3 characters1 syllables approx.English language

Meaning & usage

noun/ˌkjuːiːˈdiː/Received-Pronunciation/ˌkjuˌiˈdi/General-American
  1. (Partial) initialism of quantum electrodynamics.

    uncountable
Where this word comes from

From q(uantum) e(lectro)d(ynamics).

phrase/ˌkjuːiːˈdiː/Received-Pronunciation/ˌkjuˌiˈdi/General-American
  1. Alternative form of Q.E.D.; Initialism of quod erat demonstrandum.

    alt-of · alternative
Where this word comes from

See Q.E.D.

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.