e ‧ lec ‧ tro ‧ mag ‧ net /ɪˌlektrəʊˈmæɡnət, ɪˌlektrəʊˈmæɡnɪt $ -troʊ-/ BrE AmE noun [countable]
a piece of metal that becomes ↑ magnetic (=able to attract metal objects) when an electric current is turned on
e ‧ lec ‧ tro ‧ mag ‧ net /ɪˌlektrəʊˈmæɡnət, ɪˌlektrəʊˈmæɡnɪt $ -troʊ-/ BrE AmE noun [countable]
a piece of metal that becomes ↑ magnetic (=able to attract metal objects) when an electric current is turned on
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012