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n. (used with a sing. verb)
The study of moving electric charges and their interaction with magnetic and electric fields.
(General Physics) (functioning as singular) the branch of physics concerned with the interactions between electrical and mechanical forces
e•lec•tro•dy•nam•ics(ɪˌlɛk troʊ daɪˈnæm ɪks)
n. (used with a sing. v.)
the branch of physics that deals with the interactions of electric, magnetic, and mechanical phenomena.
The scientific study of electric charges, electric currents, and the forces associated with them. Electrodynamics is a branch of physics.