[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/dictionaries/school/w/smog.html)

[home](https://md.mova.elamur.ai/free/en/) / [dictionaries](https://md.mova.elamur.ai/free/en/dictionaries/) / [The school dictionary](https://md.mova.elamur.ai/free/en/dictionaries/school/) / smog

[← S](https://md.mova.elamur.ai/free/en/dictionaries/school/S/)

# smog

«smog» in Mova's school dictionary: **Dirty, smoky, foggy air over a city, caused by pollution…** — its meaning for a pupil, its sense in the lessons and examples, with 1 sentence of Mova's corpora that use it.

### part of speech

noun (smog — uncountable; smogs — rare)

### meaning for a pupil

Dirty, smoky, foggy air over a city, caused by pollution from cars, factories and fires, often mixed with fog. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/smog/#m1)

### sense in the lessons

In science and geography lessons smog is a key example of air pollution: it makes breathing hard, especially for people with asthma. The word was made from "smoke" + "fog". The Great Smog of London in the past killed thousands and led to clean air laws. Today many big cities issue smog warnings. Phrases: a smog warning, thick smog, photochemical smog.

### examples

- The city was covered in thick brown smog. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/smog/#x1)
- On smog days, children with asthma should stay inside. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/smog/#x2)
- Smog comes from car fumes and factory smoke. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/smog/#x3)
- London once had a terrible smog that lasted for days. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/smog/#x4)
- We couldn't see the mountains through the smog. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/smog/#x5)
- Cleaner cars help reduce smog. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/smog/#x6)

### note

Uncountable: "smog is", "some smog". A blend word: smoke + fog (like brunch = breakfast + lunch). Not the same as plain fog, which is just tiny water drops and is not polluted.

### In the corpora

- [A blend is a new word made from parts of two words, like spork, brunch and smog.](https://md.mova.elamur.ai/free/en/corpora/school/language/2-nouns-names-of-things-people-places-ideas/18/)

### Trees and pragmatics

[Every meaning and example of «smog» parsed by Mova](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/S/smog/), each sentence with its dependency tree and frames.