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Smog

UK //smɒg// US //smɔɡ// Pronunciation

Definition

A type of air pollution created by the combination of smoke and fog.

Listen to definition

In simple words: A type of air pollution that combines smoke and fog.

Examples

• The city was covered in smog, making it hard to breathe.
• Children should not play outside when there is heavy smog in the air.
• The smog from the factory affected the health of many residents.
• Smog can significantly reduce visibility on the roads during rush hour.

Usage notes

Use 'smog' in discussions about air quality or environmental issues. It's appropriate for both formal and informal contexts.

Grammar pattern

standalone noun

Memory hint

Think of 'smoke' and 'fog' combined into one cloudy mess.

Collocations

• heavy smog
• persistent smog
• urban smog
• smog alert
• thick smog

Synonyms

• pollution
• haze
• fog
• mist
• smoke

Common mistakes

• Confused with 'fog' - smog is polluted air, while fog is just water vapor.
• Using 'smog' to describe non-pollution related fog.
• Assuming 'smog' is only seen in industrial areas - it can occur in any polluted city.