ɪˈlektrəumæɡˈnetɪk adj. having
both an
electrical and a
magnetic character or properties. øelectromagnetic
radiation a kind of radiation including
visible light,
radio waves,
gamma rays, X-rays,
etc., in
which electric and magnetic fields
vary simultaneously. electromagnetic
spectrum the range of wavelengths
over which electromagnetic radiation extends. electromagnetic units a
system of units derived primarily
from the magnetic properties of electric currents.