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smog


smog

noun \ˈsmäg, ˈsmg\

Definition of SMOG

: 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 especially from automobile exhaust
smog·less \ˈsmä-gləs, ˈsm-\ adjective

Examples of SMOG

  1. <the city's smog was once so bad that darkness often prevailed, even at noon>

Origin of SMOG

smoke + fog
First Known Use: 1884

Related to SMOG

Other Climate/Meteorology Terms

monsoon, occlusion, ozone, rime, squall, zephyr

Rhymes with SMOG

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