Quantum electrodynamics and Quantum field theory

Quantum electrodynamics noun - A relativistic quantum theory of the electromagnetic interactions of photons and electrons and muons.

Quantum field theory and quantum electrodynamics are semantically related. In some cases you can use "Quantum field theory" instead a noun phrase "Quantum electrodynamics".

Quantum field theory noun - 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.

Quantum electrodynamics and quantum field theory are semantically related. Sometimes you can replace phrase "Quantum electrodynamics" with "Quantum field theory", this phrases are similar.