e·lec·tro·mag·ne·tism
noun/ɪˌlektrəʊˈmæɡnətɪzəm/
/ɪˌlektrəʊˈmæɡnətɪzəm/
[uncountable] (physics)- the production of a magnetic field by means of an electric current, or of an electric current by means of a magnetic field
Topics Physics and chemistryc2电磁学