Definition of “smog” - English Dictionary

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

“smog” in American English

See all translations

smognoun [ C/U ]

us /smɑɡ, smɔɡ/

air pollution caused by smoke or chemicals mixing with fog:

[ U ] We get a lot of smog downtown.
adjective us /ˈsmɑɡ·i, ˈsmɔ·ɡi/

a smoggy city/day

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