Definitions
from the GNU version of the Collaborative International Dictionary of English.
- noun (Physics), abbreviated Quantum chromodynamics.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- 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 quarks together
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