Electro-magnetic /(?)/

E·lec·tro-mag·net·ic

Electro-magnetic

a.
  1. Of or pertaining to electromagnetism.

Phrases & Compounds

Electro-magnetic engine
an engine in which the motive force is electro-magnetism.
Electro-magnetic theory of light
a theory of light which makes it consist in the rapid alternation of transient electric currents moving transversely to the direction of the ray.