elec·tro·mag·net /ɪˌlɛktroˈmægnət/
電磁石
elec·tro·mag·net /ɪˌlɛktroˈmægnət/ 名詞
電磁鐵
electromagnet
電磯( 起重機 )
electromagnet
n : a temporary magnet made by coiling wire around an iron core;
when current flows in the coil the iron becomes a magnet