QED
noun
1.
a relativistic quantum theory of the electromagnetic interactions of photons and electrons and muons
Origin
From q(uantum) e(lectro)d(ynamics).
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.