smog

/smɑg/, /smɔg/ n [C/U]

Definition

› air pollution caused by smoke or chemicals mixing with fog: [U] We get a lot of smog downtown. [C] A poisonous smog killed 20 people. smoggy

/ˈsmɑg·i/, /ˈsmɔ·gi/ adj › a smoggy city/day

(Definition of smog n from the Cambridge Academic Content Dictionary © Cambridge University Press)

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