Word Study
qed
WORDNET DICTIONARY
Noun qed has 1 sense
- qed(n = noun.cognition) quantum electrodynamics - a relativistic quantum theory of the electromagnetic interactions of photons and electrons and muons; Array is a kind of quantum field theory
CIDE DICTIONARY
qed, n.
Quantum electrodynamics. [PJC]
qed, interj. [From Latin, quod erat demonstrandum, i.e. which was demonstrated .].
Which was demonstrated; -- a phrase used after the conclusion of some line of reasoning, especially in mathematical or logical proofs. [PJC]
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