Dictionary
e•lec•tro•dy•nam•ics
Pronunciation: (i-lek"trō-dī-nam'iks), [key]—
n. (used with a sing. v.)
the branch of physics that deals with the interactions of electric, magnetic, and mechanical phenomena.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.