smog

/smɒɡ/

/smɑːɡ/

Definition

C1 a mixture of smoke, gases, and chemicals, especially in cities, that makes the atmosphere difficult to breathe and harmful for health: Smog is a major problem in Athens. As we flew into the airport, we could see a murky yellow smog hovering over the city.Environmental issuesRubbish and wasteProtection and protectorsClouds, dew, fog and steam smoggy

/ˈsmɒɡ.i/

/ˈsmɑː.ɡi/ adjective › Mexico City is one of the world's smoggiest capitals.Environmental issuesRubbish and wasteProtection and protectorsClouds, dew, fog and steam

(Definition of smog noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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