[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/dictionaries/school/w/compression.html)

[home](https://md.mova.elamur.ai/free/en/) / [dictionaries](https://md.mova.elamur.ai/free/en/dictionaries/) / [The school dictionary](https://md.mova.elamur.ai/free/en/dictionaries/school/) / compression

[← C](https://md.mova.elamur.ai/free/en/dictionaries/school/C/)

# compression

«compression» in Mova's school dictionary: **pressing or squeezing something so it takes up less space** — its meaning for a pupil, its sense in the lessons and examples, with 4 sentences of Mova's corpora that use it.

### part of speech

noun (compression — mostly uncountable)

### meaning for a pupil

1) Compression is pressing or squeezing something so it takes up less space. [tree →](https://md.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://md.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://md.mova.elamur.ai/free/en/corpora/dictionaries/school/C/compression/#m3)

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

### In the corpora

- [Compression squashes a part, like the legs of a table under a heavy load.](https://md.mova.elamur.ai/free/en/corpora/school/world/86-building-strong-things/1/)
- [Compression is a force that squashes; tension is a force that stretches.](https://md.mova.elamur.ai/free/en/corpora/school/world/86-building-strong-things/16/)
- [Stone, brick, concrete and glass are strong in compression but weak in tension.](https://md.mova.elamur.ai/free/en/corpora/school/world/86-building-strong-things/17/)
- [Steel is strong in both compression and tension.](https://md.mova.elamur.ai/free/en/corpora/school/world/86-building-strong-things/19/)

### Trees and pragmatics

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