Here is the requested information:
1. Parts of Speech: Noun
2. Definitions: a form of air pollution that is a mixture of smoke and fog, especially when considered harmful or unpleasant
3. Pronunciations: US: /smäɡz/, UK: /smɒɡz/
4. Origin and Usage: The word "smog" is a blend of the words "smoke" and "fog". It was first used in London in the early 20th century to describe the thick, yellowish haze that often covered the city. Smog is caused by a combination of air pollutants, including particulate matter, nitrogen oxides, and volatile organic compounds. It is often associated with urban areas and can have harmful effects on human health and the environment.
5. Synonyms: air pollution, haze, fog, smoke
6. Related Words: foggy, smoke, fogey, boggy, yogic
7. Example Sentences:
- The city was covered in a thick blanket of smog, making it difficult to breathe.
- Many people suffer from respiratory problems due to exposure to smog.
- The government has implemented measures to reduce smog levels in the city.
- The smog was so thick that it obscured the view of the skyline.
- The use of public transportation can help reduce smog emissions in urban areas.