electromagnetism
Pronunciation:
/ɪˌlɛk.tɹəʊˈmæɡ.nəˌtɪzm̩/noun
Definitions
A unified fundamental force that combines the aspects of electricity and magnetism and is one of the four fundamental forces. (technically it can be unified with weak nuclear to form electroweak) Its gauge boson is the photon.
Electricity and magnetism, collectively, as a field of study.