e ‧ lec ‧ tro ‧ smog /ɪˈlektrəʊˌsmɒɡ $ -troʊˌsmɑːɡ, -ˌsmɒːɡ/ BrE AmE noun [uncountable] informal
the waves or forces produced by electrical equipment such as ↑ mobile phone s and computers, which some people believe make them ill
e ‧ lec ‧ tro ‧ smog /ɪˈlektrəʊˌsmɒɡ $ -troʊˌsmɑːɡ, -ˌsmɒːɡ/ BrE AmE noun [uncountable] informal
the waves or forces produced by electrical equipment such as ↑ mobile phone s and computers, which some people believe make them ill
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012