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# compressor

noun (a compressor, compressors)

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

## Everyday

1. A machine that squeezes air or gas into a smaller space, making its pressure higher, used to pump tyres, power tools and fridges. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/compressor/#m1)
2. (music) A sound device that evens out loud and quiet parts. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/compressor/#m2)
3. (medicine) A muscle or tool that presses something. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/compressor/#m3)

### In the lessons

In science lessons, compressors show that gases can be squashed (compressed) but liquids hardly can. Fridges and air conditioners use a compressor to move heat. At garages, an air compressor fills car and bike tyres. Related: compress, compression.

### Examples

- The garage used an air compressor to pump up the tyres. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/compressor/#x1)
- A fridge hums when its compressor is running. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/compressor/#x2)
- Divers' tanks are filled with a compressor. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/compressor/#x3)
- The compressor squashes air into the tank. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/compressor/#x4)
- The builders' compressor powered the drill. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/compressor/#x5)
- Gases can be compressed, but liquids are hard to squash. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/compressor/#x6)

### Note

compress + -or. Countable. Safety: compressed air is powerful; never point an air hose at a person.

## On Mova

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