Longman Dictionary English From Longman Dictionary of Contemporary EnglishRelated topics: Computerselectrosmoge‧lec‧tro‧smog /ɪˈlektrəʊˌsmɒɡ $ -troʊˌsmɑːɡ, -ˌsmɒːɡ/ noun [uncountable] informal the waves or forces produced by electrical equipment such as mobile phones and computers, which some people believe make them ill ldoceonline.com