[Elamur Dictionary](https://md.dictionary.elamur.ai/free/en/) · [this page in HTML](https://dictionary.elamur.ai/free/en/english/compression/)

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# compression

noun (compression — mostly uncountable)

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

## Everyday

1. Compression is pressing or squeezing something so it takes up less space. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/compression/#m1)
2. Compression is making a computer file smaller so it is quicker to send. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/compression/#m2)
3. In first aid, compressions are pushes on the chest in CPR. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/compression/#m3)

### In the lessons

In science, gases can be compressed but solids hardly at all; springs show compression when squashed. In first aid lessons chest compressions help keep blood moving when the heart stops. In computing, compression makes photos and videos smaller. Phrases: chest compressions, file compression.

### Examples

- Squeezing the spring is compression. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/compression/#x1)
- Air can be squashed by compression, but water hardly at all. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/compression/#x2)
- Chest compressions are part of CPR. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/compression/#x3)
- File compression makes pictures quicker to send. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/compression/#x4)
- The bridge must stand up to compression and tension. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/compression/#x5)
- A compression bandage helped my swollen ankle. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/compression/#x6)

### Note

Verb: compress. Opposite in forces: tension (pulling, stretching). Mostly uncountable, but «chest compressions» is plural.

## On Mova

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