"QED" meaning in English

See QED in All languages combined, or Wiktionary

Noun

IPA: /ˌkjuːiːˈdiː/ [Received-Pronunciation], /ˌkjuˌiˈdi/ [General-American] Audio: En-uk-QED.oga [Received-Pronunciation]
Etymology: From q(uantum) e(lectro)d(ynamics). Etymology templates: {{m|en|quantum electrodynamics|q(uantum) e(lectro)d(ynamics)}} q(uantum) e(lectro)d(ynamics), {{sup|2}} ² Head templates: {{en-noun|-}} QED (uncountable)
  1. (physics) (Partial) initialism of quantum electrodynamics. Tags: uncountable Categories (topical): Physics Derived forms: qQED (english: quenched quantum electrodynamics) Related terms: QCD (english: (partial) initialism of quantum chromodynamics)
    Sense id: en-QED-en-noun-DGjdSDr9 Categories (other): English entries with incorrect language header Disambiguation of English entries with incorrect language header: 69 31 Topics: natural-sciences, physical-sciences, physics
The following are not (yet) sense-disambiguated
Etymology number: 1

Phrase

IPA: /ˌkjuːiːˈdiː/ [Received-Pronunciation], /ˌkjuˌiˈdi/ [General-American] Audio: En-uk-QED.oga [Received-Pronunciation]
Etymology: See Q.E.D. Etymology templates: {{m|en|Q.E.D.}} Q.E.D. Head templates: {{head|en|phrase}} QED
  1. Alternative form of Q.E.D. (“initialism of quod erat demonstrandum”) Tags: alt-of, alternative Alternative form of: Q.E.D. (extra: initialism of quod erat demonstrandum)
    Sense id: en-QED-en-phrase-5CKJBDtI
The following are not (yet) sense-disambiguated
Etymology number: 2

Inflected forms

Download JSON data for QED meaning in English (6.5kB)

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        {
          "ref": "1980 January, W. B. Atwood, “Lepton Nucleon Scattering”, in Ann Mosher, editor, Proceedings of Summer Institute on Particle Physics: July 9–20, 1979: Quantum Chromodynamics (SLAC Report), Springfield, Va.: National Technical Information Service, U.S. Department of Commerce, →OCLC, part I (Lectures), section 3.1 (The General Scheme), page 26, column 1",
          "text": "QCD is a theory of quark interactions much analogous to QED: the interaction is carried by \"gluons\" (analogous to photons) which couple to the \"color\" (analogous to charge) of the quarks.",
          "type": "quotation"
        },
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          "ref": "2006, A[nthony] Zee, “Introduction to the 2006 Edition”, in Richard P[hillips] Feynman, QED: The Strange Theory of Light and Matter (Princeton Science Library), Princeton, N.J., Woodstock, Oxfordshire: Princeton University Press, page xii",
          "text": "By the way, these days QED is considered a relatively simple example of a quantum field theory.",
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          "ref": "2011, Brian Cox, Jeff Forshaw, “Interaction”, in The Quantum Universe: Everything that Can Happen Does Happen, London: Allen Lane, page 176",
          "text": "QED is the theory that explains how electrically charged particles, like electrons, interact with each other and with particles of light (photons). […] Pretty much everything else – certainly everything you see and feel around you – is explained at the deepest known level by QED. Matter, light, electricity and magnetism – it is all QED.",
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          "ref": "2015, Abdus Salam, “Quantum Electrodynamics”, in David L. Andrews, editor, Photonics: Scientific Foundations, Technology and Applications: Fundamentals of Photonics and Physics, volume I, Hoboken, N.J.: John Wiley & Sons, section 8.10 (Resonance Energy Transfer), page 271",
          "text": "Finally, there is still plenty of room to employ and apply QED theory for predictive purposes, by proposing new phenomena, especially within the realm of photonics, thereby ensuring QED remains relevant to current and future generations of researchers working in chemical physics.",
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          "text": "The aim of this work is essentially twofold: to establish the conception and thus model of a 'unitary universal cohesive field' from 'first principles' within which existing theories, primarily QED and the foundation of its approach, may be understood both in principle and therefore from any abstruse mathematical perspective extrapolated from it; […]",
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          "text": "Although his own early work on QED helped bring photons and electrons into a consistent framework, Dr. Dyson doubted that superstrings, or anything else, would lead to a Theory of Everything, unifying all of physics with a succinct formulation inscribable on a T-shirt.",
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This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2024-04-26 from the enwiktionary dump dated 2024-04-21 using wiktextract (93a6c53 and 21a9316). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

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