QED

3 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  QED \QED.\ (k[=u]"[=e]*d[=e]"), n.
     Quantum electrodynamics. [abbrev.]
     [PJC] Q.E.D

From The Collaborative International Dictionary of English v.0.48 [gcide]:



  QED \Q.E.D\, QED \QED\(k[=u]"[=e]*d[=e]"), 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. [abbrev.]
     [PJC]

From WordNet (r) 2.0 [wn]:

  QED
       n : a relativistic quantum theory of the electromagnetic
           interactions of photons and electrons and muons [syn: {quantum
           electrodynamics}]