quantum chromodynamics(redirected from Chromodynamic)
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n. (used with a sing. verb)
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
n (functioning as singular)
(Atomic Physics) physics a theory describing the strong interaction in terms of quarks and gluons, with the colour of quarks used as an analogue of charge and the gluon as an analogue of the photon. Abbreviation: QCD
[C20: chromodynamics from chromo- (referring to quark colour) + dynamics, modelled on quantum electrodynamics]
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quan′tum chro•mo•dy•nam′ics(ˌkroʊ moʊ daɪˈnæm ɪks)
(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
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|Noun||1.||quantum chromodynamics - 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 quarks together|
quantum field theory - the branch of quantum physics that is concerned with the theory of fields; it was motivated by the question of how an atom radiates light as its electrons jump from excited states
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