Meaning & Definition of word "Smog"
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Smog
/smɒg/
noun:
- 1. A type of air pollution characterized by a mixture of smoke and fog, typically produced by industrial and vehicle emissions.
- Example: The city was under a thick layer of smog, making it difficult to breathe.
- 2. An atmospheric condition that reduces visibility due to the combination of fog and smoke.
- Example: The smog in the valley turned the sunset into an eerie red glow.
- 3. Polluted air that can be harmful to health.
- Example: Residents are advised to stay indoors during high smog alerts.
Etymology
Coined in the early 20th century by blending 'smoke' and 'fog'.
Common Phrases and Expressions
London smog:
Refers to the historic air pollution crisis that occurred in London, especially known for the Great Smog of 1952.
industrial smog:
A term describing smog that results from industrial emissions and usually contains sulfur dioxide and particulate matter.
photochemical smog:
A type of smog formed by the photochemical reaction between sunlight and pollutants like vehicle exhaust.
Related Words
pollution:
The presence of harmful substances in the environment.
fog:
A thick cloud of tiny water droplets suspended in the atmosphere at or near the earth's surface.
Slang Meanings of smog
Meaning: Smog city
Example Sentence: When people refer to their homes as 'smog city', they're commenting on the poor air quality.
Meaning: Gray soup
Example Sentence: The air felt like gray soup after weeks of smog accumulation.