smog
noun
Pronunciation: /smɒɡ/
Definition
A dense, foggy mixture of smoke and chemical pollutants that settles over an urban area.
Examples
The local government issued a health warning because the smog levels had reached a dangerous peak.
Commuters wore masks to protect their lungs from the thick smog hanging over the downtown district.
Stricter vehicle emissions standards were introduced to help reduce the persistent smog in the valley.
Synonyms of smog
Words with a similar meaning to smog:
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