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# excretion

noun (excretion, excretions); verb excrete

«excretion» in the English dictionary: everyday — its meanings, how the lessons use it, and examples, each with its tree on Mova.

## Everyday

1. Excretion is how living things get rid of waste that their bodies have made, such as urine, sweat and carbon dioxide. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/E/excretion/#m1)
2. An excretion is a waste substance that is passed out of a living thing. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/E/excretion/#m2)

### In the lessons

Science lessons: one of the life processes (MRS GREN: movement, respiration, sensitivity, growth, reproduction, excretion, nutrition). Kidneys, lungs and skin take part. Phrases: excretion of waste, organs of excretion.

### Examples

- Excretion is one of the seven life processes. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/E/excretion/#x1)
- The kidneys help with excretion by making urine. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/E/excretion/#x2)
- We breathe out carbon dioxide as part of excretion. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/E/excretion/#x3)
- Plants also do excretion through their leaves. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/E/excretion/#x4)
- Sweating is a kind of excretion. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/E/excretion/#x5)
- Animals need excretion to stay healthy. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/E/excretion/#x6)

### Note

Science word. Excretion (getting rid of waste made by the body) is different from egestion (getting rid of undigested food as faeces), though at primary school they are often taught together. Not to be confused with «secretion» (making useful substances like saliva).

## On Mova

- [Trees and pragmatics of «excretion» in the school dictionary](https://mova.elamur.ai/free/en/corpora/dictionaries/school/E/excretion/): every meaning and example parsed by Mova, with its dependency tree and frames.
- [«excretion» in the school dictionary](https://mova.elamur.ai/free/en/dictionaries/school/w/excretion.html) on Mova free.