quantum chromodynamics


quantum chromodynamics
A quantum field theory in particle physics which describes the strong interaction of quarks and gluons employing the concept of color charge.

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  • quantum chromodynamics — n. [with sing. v.] a theory that describes the forces and interactions of quarks and gluons in hadrons: see also COLOR (n. 19), CHROMODYNAMICS …   English World dictionary

  • Quantum chromodynamics — Standard model of particle physics Standard Model …   Wikipedia

  • quantum chromodynamics — Physics. a quantum field theory that describes quarks and gluons and their interactions, with the color of the quarks playing a role analogous to that of electric charge. Abbr.: QCD Also called chromodynamics. Cf. color (def. 18). [1975 80] * * * …   Universalium

  • quantum chromodynamics — plural noun [treated as sing.] Physics a theory in which the strong interaction is described in terms of an interaction between quarks transmitted by gluons. Origin chromodynamics from chromo 2 colour (property of quarks) + dynamics …   English new terms dictionary

  • quantum chromodynamics — n. theory that describes the interactions between quarks and between protons and neutrons in the framework of quantum theory …   English contemporary dictionary

  • quantum chromodynamics — quan′tum chro•mo•dy•nam′ics [[t]ˌkroʊ moʊ daɪˈnæm ɪks[/t]] n. phs (used with a sing. v.) a quantum theory of the interactions of quarks and gluons in which the color of quarks is analogous to electric charge Abbr.: QCD …   From formal English to slang

  • quantum chromodynamics — noun a theory of strong interactions between elementary particles (including the interaction that binds protons and neutrons in the nucleus); it assumes that strongly interacting particles (hadrons) are made of quarks and that gluons bind the… …   Useful english dictionary

  • quantum chromodynamics — noun plural but singular in construction Date: 1975 a theory of fundamental particles based on the assumption that quarks are distinguished by differences in color and are held together (as in hadrons) by an exchange of gluons …   New Collegiate Dictionary

  • quantum chromodynamics — /kwɒntəm kroʊmoʊdaɪˈnæmɪks/ (say kwontuhm krohmohduy namiks) noun Physics the theory that a proton consists of two up quarks and one down quark, giving a total charge of +1 e, while a neutron consists of two down quarks and one up quark and has a …   Australian English dictionary

  • quantum chromodynamics — (QCD) The theory of strong interactions between elementary particles including the interaction that binds protons and neutrons to form a nucleus. It assumes that strongly interacting particles are made of quarks and that gluons bind the quarks… …   Dictionary of automotive terms


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