SMOG


Meaning of SMOG in English

[smog] n [smoke + fog] (1905): a fog made heavier and darker by smoke and chemical fumes; also: a photochemical haze caused by the action of solar ultraviolet radiation on atmosphere polluted with hydrocarbons and oxides of nitrogen from automobile exhaust -- smog.less adj

Merriam-Webster English vocab.      Английский словарь Merriam Webster.