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Dictionary

quan'tum chromodynam'ics

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).

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

quantum chemistry

quantum electrodynamics

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