electrodynamics
oxford
views updated May 14 2018e·lec·tro·dy·nam·ics / iˌlektrōdīˈnamiks/ •
pl. n. [usu. treated as sing.] the branch of mechanics concerned with the interaction of electric currents with magnetic fields or with other electric currents.DERIVATIVES: e·lec·tro·dy·nam·ic adj.
The Oxford Pocket Dictionary of Current English