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# diffusion

«diffusion» in Mova's school dictionary: **the spreading of something far and wide, such as ideas…** — its meaning for a pupil, its sense in the lessons and examples.

### part of speech

noun (diffusion, no plural)

### meaning for a pupil

1) Diffusion is the spreading of something far and wide, such as ideas, customs or stories, from one place to many others. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/diffusion/#m1)

2) In science, diffusion is the slow spreading of a gas or liquid into the space around it. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/diffusion/#m2)

### sense in the lessons

in lessons on stories, diffusion names how a folk-tale travels from land to land; in science it names how a smell or ink spreads through air or water

### examples

- The diffusion of the tale took many years. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/diffusion/#x1)
- Perfume spreads by diffusion through the air. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/diffusion/#x2)
- The folk-tale spread by diffusion from India to Spain. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/D/diffusion/#x3)

### note

nothing for maths

### Trees and pragmatics

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