photochemical smog

noun

Air pollution caused by photochemical reactions involving hydrocarbons, nitrogen oxides and other pollutants, especially in still air over cities.

Similar
summer smog
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Meanings

nounphotochemical smog (countable and uncountable, plural photochemical smogs)

plural photochemical smogs

  1. countableuncountableAir pollution caused by photochemical reactions involving hydrocarbons, nitrogen oxides and other pollutants, especially in still air over cities.

    Synonyms: summer smog

Synonyms & antonyms

nounAir pollution caused by photochemical reactions involving hydrocarbons, nitrogen oxides and other pollutants, especially in still air over cities.

Similar
summer smog
Cite this entry
APA

photochemical smog. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/photochemical%20smog

MLA

“photochemical smog.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/photochemical%20smog. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “photochemical smog,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/photochemical%20smog.

Source: photochemical smog on Wiktionary, CC BY-SA 4.0.