smog
Pronunciation
Noun
A2 Elementary
Quick answer
A form of air pollution caused by smoke and other pollutants combining with fog, common in large industrial cities.
Synonyms and antonyms
Synonyms
pollution
haze
Usage notes
The word blends "smoke" and "fog", first used to describe London's polluted air in the early twentieth century.
Test yourself
Which word fits the gap? "A thick layer of _____ hung over the city, making it hard to see the skyline."
Answer: smog
In your own words, what does "smog" mean?
A form of air pollution caused by smoke and other pollutants combining with fog, common in large industrial cities.
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