elec·​tro·​dy·​nam·​ics | \i-ˌlek-trō-dī-ˈna-miks \

Definition of electrodynamics 

: a branch of physics that deals with the effects arising from the interactions of electric currents with magnets, with other currents, or with themselves

Other Words from electrodynamics

electrodynamic \i-​ˌlek-​trō-​dī-​ˈna-​mik \ adjective

First Known Use of electrodynamics

1822, in the meaning defined above

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The first known use of electrodynamics was in 1822

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