noun
: a field of force that is made up of associated electric and magnetic components, that results from the motion of an electric charge, and that possesses a definite amount of electromagnetic energy
noun
: a field of force that is made up of associated electric and magnetic components, that results from the motion of an electric charge, and that possesses a definite amount of electromagnetic energy
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012