Electro-magnetic


E`lec`tro-mag`net´ic


a.1.Of or pertaining to electromagnetism.
Electro-magnetic engine
an engine in which the motive force is electro-magnetism.
Electro-magnetic theory of light
(Physics) a theory of light which makes it consist in the rapid alternation of transient electric currents moving transversely to the direction of the ray.