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# dissipate

verb (dissipate, dissipates, dissipated, dissipating); noun dissipation

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

## Everyday

1. To slowly disappear or spread out until gone, as in «The fog dissipated». [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/D/dissipate/#m1)
2. To make something disappear or fade, as in «The wind dissipated the smoke». [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/D/dissipate/#m2)
3. (science) To lose energy, usually as heat, as in «Energy is dissipated as heat». [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/D/dissipate/#m3)
4. To waste money or energy foolishly. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/D/dissipate/#m4)

### In the lessons

In science: energy is often «dissipated» as heat or sound, which is why machines are never 100% efficient. In geography and weather, fog, clouds and storms dissipate. In stories, anger or fear «dissipates» when a character calms down. It is a formal word.

### Examples

- By noon the fog had dissipated. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/D/dissipate/#x1)
- The crowd slowly dissipated after the match. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/D/dissipate/#x2)
- Her anger dissipated when she heard the truth. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/D/dissipate/#x3)
- Some of the energy is dissipated as heat. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/D/dissipate/#x4)
- The storm dissipated before it reached the coast. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/D/dissipate/#x5)
- The laptop has a fan to dissipate heat. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/D/dissipate/#x6)
- Throughout one entire year Noureddin did nothing but amuse himself, and dissipate the wealth his father had taken such pains to acquire. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/D/dissipate/#x7)

### Note

Formal; in everyday talk say «clear», «fade» or «spread out». Spelling: double s, one p: «dis-si-pate». A «dissipated» person (adjective) is one who has wasted their life on bad habits — old-fashioned.

## On Mova

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