Definitions for quantum electrodynamics
Random House Webster's College Dictionary
(used with a sing. v.) the quantum-mechanical theory of the electromagnetic field and its interaction with electrons and positrons.
Ref: Abbr.: QED 1
Origin of quantum electrodynamics:
quantum electrodynamics, QED(noun)
a relativistic quantum theory of the electromagnetic interactions of photons and electrons and muons
the study of the interaction of electromagnetic radiation with electrically charged matter within the framework of relativity and quantum mechanics
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