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smog
[ smog, smawg ]
noun
verb (used with object)
- to cover or envelop with or as if with smog.
smog
/ smɒɡ /
noun
- a mixture of smoke, fog, and chemical fumes
smog
/ smŏg /
- A form of air pollution produced by the reaction of sunlight with hydrocarbons, nitrogen compounds, and other gases primarily released in automobile exhaust. Smog is common in large urban areas, especially during hot, sunny weather, where it appears as a brownish haze that can irritate the eyes and lungs. Ozone, a toxic gas that is not normally produced at lower atmospheric levels, is one of the primary pollutants created in this kind of smog.
- Also called photochemical smog
- Fog that has become polluted with smoke and particulates, especially from burning coal.
smog
- A haze or fog composed of water vapor, complex molecules , and suspended particles.
Notes
Derived Forms
- ˈsmoggy, adjective
Other Words From
- smogless adjective
- de·smog verb (used with object) desmogged desmogging
Word History and Origins
Origin of smog1
Example Sentences
While that smog case wasn’t successful, Diamond remained a committed environmentalist.
Agencies frequently use thermal imaging during large wildfires to find hot spots during periods when there is no visible light or in conditions with heavy smog or mist.
Whether it is caused by wildfires, urban smog or any other source, the overwhelming evidence is that breathing it in is bad for a person’s respiratory health.
It was a couple of weeks after the great smog had brought London to a standstill, and although that particularly foul miasma had dispersed, smog still regularly reduced visibility.
They have warned the most immediate threat is volcanic smog which could reach inhabited areas downwind.
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