Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun qed

1 sense of qed

Sense 1
quantum electrodynamics, QED -- (a relativistic quantum theory of the electromagnetic interactions of photons and electrons and muons)
       => 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)