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quantum electrodynamics

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quantum electrodynamics

–noun Physics.
the quantum field theory that deals with the electromagnetic field and its interaction with electrons and positrons. Abbreviation: QED

Origin:
1925–30
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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quantum electrodynamics  
n.   (used with a sing. verb)
The quantum theory of the properties and behavior of muons, photons, and electrons and the electromagnetic field.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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