pollution
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 →
2) The act of making things dirty and harmful. tree →
3) Unwanted noise or light: noise pollution, light pollution. tree →
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 →
- Plastic pollution harms sea turtles. tree →
- Cities have more light pollution, so you see fewer stars. tree →
- We made posters about pollution. tree →
- The river was cleaned and the pollution went down. tree →
- Noise pollution from the airport keeps people awake. tree →
- Walking to school reduces pollution. tree →
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.
- Ginkgos are tough against pollution, so many cities plant them on streets.
- About a third of the world's soils are degraded by erosion, salt, pollution or overuse.
- The factories also filled the air with smoke and dirtied rivers, the start of the pollution problems we still deal with today.
- Pollution is putting harmful things into the environment.
Trees and pragmatics
Every meaning and example of «pollution» parsed by Mova, each sentence with its dependency tree and frames.