e·lec·tro·mag·net·ic /ɪˌlektrəʊmæɡˈnetɪk◂ $ -troʊ-/
adjective technical relating to both electricity and
magnetism, or having both electrical and
magnetic qualities:
electromagnetic wavesthe electromagnetic spectrum (=different waves of energy, including light, heat, radio waves, and X-rays) [TahlilGaran] Dictionary of Contemporary English ▲