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# pollution

«pollution» in Mova's school dictionary: **dirt, poison or waste in the air, water or land that…** — its meaning for a pupil, its sense in the lessons and examples, with 5 sentences of Mova's corpora that use it.

### part of speech

noun (pollution — uncountable)

### meaning for a pupil

1) Pollution is dirt, poison or waste in the air, water or land that harms living things. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/pollution/#m1)

2) The act of making things dirty and harmful. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/pollution/#m2)

3) Unwanted noise or light: noise pollution, light pollution. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/pollution/#m3)

### sense in the lessons

Used in science and geography: air pollution from cars and factories, water pollution, plastic pollution in the oceans. Light pollution hides the stars at night. Lessons explain how to reduce pollution: recycle, walk, use less plastic.

### examples

- Air pollution can make it hard to breathe. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/pollution/#x1)
- Plastic pollution harms sea turtles. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/pollution/#x2)
- Cities have more light pollution, so you see fewer stars. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/pollution/#x3)
- We made posters about pollution. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/pollution/#x4)
- The river was cleaned and the pollution went down. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/pollution/#x5)
- Noise pollution from the airport keeps people awake. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/pollution/#x6)
- Walking to school reduces pollution. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/P/pollution/#x7)

### note

Uncountable: "a lot of pollution", not "pollutions". Verb: pollute. Kinds: air, water, land, noise, light, plastic pollution.

### In the corpora

- [Saving food, water and energy and reusing bottles and bags means less land cleared and less pollution.](https://md.mova.elamur.ai/free/en/corpora/school/biology/285-what-a-child-can-do-for-nature/17/)
- [Ginkgos are tough against pollution, so many cities plant them on streets.](https://md.mova.elamur.ai/free/en/corpora/school/biology/380-china-s-plants-bamboo-ginkgo-lotus-tea-and-rice-paddies/14/)
- [About a third of the world's soils are degraded by erosion, salt, pollution or overuse.](https://md.mova.elamur.ai/free/en/corpora/school/geography/56-soil/16/)
- [The factories also filled the air with smoke and dirtied rivers, the start of the pollution problems we still deal with today.](https://md.mova.elamur.ai/free/en/corpora/school/history/30-the-industrial-revolution/4/)
- [Pollution is putting harmful things into the environment.](https://md.mova.elamur.ai/free/en/corpora/school/world/57-environment/2/)

### Trees and pragmatics

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