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# sediment

noun (sediment, uncountable; a sediment, sediments)

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

## Everyday

1. Sediment is sand, mud, stones and other bits that are carried by water, wind or ice and then settle in a layer, for example at the bottom of a river, lake or sea. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/S/sediment/#m1)
2. Sediment is also the bits that sink to the bottom of a liquid, like in a glass of juice or a bottle of medicine. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/S/sediment/#m2)

### In the lessons

In science and geography lessons, rivers carry sediment downstream and drop it (deposition) where they slow down, forming deltas, beaches and floodplains; over millions of years, layers of sediment press together into sedimentary rock like sandstone, chalk and limestone, where fossils are found. In kitchen science, you see sediment when you let muddy water stand. Phrases: «layers of sediment», «sedimentary rock», «carry sediment», «settle as sediment».

### Examples

- The river carried sediment down to the sea. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/S/sediment/#x1)
- Layers of sediment slowly turned into rock. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/S/sediment/#x2)
- Fossils are found in sedimentary rock. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/S/sediment/#x3)
- Leave the muddy water to stand and the sediment will sink. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/S/sediment/#x4)
- There was a brown sediment at the bottom of the bottle. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/S/sediment/#x5)
- The delta is made of sediment dropped by the river. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/S/sediment/#x6)

### Note

Mostly uncountable: «a lot of sediment». Adjective: «sedimentary». Sediment sinks because it is heavier (denser) than water; tiny bits settle more slowly.

## On Mova

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