electromagnetism
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