E*lec`tro-mag*net"ic (?), a.
Of, Pertaining to, or produced by, magnetism which is developed by the passage of an electric current.
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.
© Webster 1913.