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# concentration

noun (concentration, concentrations)

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

## Everyday

1. Giving all your attention to one thing: the puzzle needs concentration. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/concentration/#m1)
2. (science) The amount of a substance in a liquid or mixture: a high concentration of salt. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/concentration/#m2)
3. A large number of people or things in one place: a concentration of shops in the town centre. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/concentration/#m3)

### In the lessons

In school, concentration helps learning; teachers say "lose concentration" or "break your concentration". In science, a stronger solution has a higher concentration (more sugar per cup of water). In history, concentration camps were terrible prisons. Phrases: lose concentration, full concentration, high concentration, concentration span.

### Examples

- Chess needs a lot of concentration. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/concentration/#x1)
- The noise broke my concentration. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/concentration/#x2)
- Sea water has a higher concentration of salt than river water. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/concentration/#x3)
- Adding more water lowers the concentration of the squash. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/concentration/#x4)
- There is a concentration of cafés near the station. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/concentration/#x5)
- Her concentration lasted for the whole test. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/concentration/#x6)
- 20 g of sugar in 100 ml is a higher concentration than 20 g in 200 ml. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/concentration/#x7)

### Note

Uncountable for attention; countable in science (different concentrations). Verb: concentrate. In maths and science, concentration = amount of substance / amount of liquid, so more liquid means a weaker mix.

## On Mova

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