'QCD' definitions:
Definition of 'QCD'
(from WordNet)
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 [syn: quantum chromodynamics, QCD]
Definition of 'QCD'
From: GCIDE
- QCD \QCD\ (k[=u]"s[=e]*d[=e]"), n. (Physics) Quantum chromodynamics. [abbrev.] [PJC]