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# sedimentary

adjective (sedimentary)

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

## Everyday

1. Sedimentary rock is rock made from layers of sand, mud, shells or tiny bits of other rock that are pressed together over a very long time. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/S/sedimentary/#m1)
2. Sedimentary means made from sediment, the bits that settle at the bottom of water. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/S/sedimentary/#m2)

### In the lessons

In science lessons there are three main types of rock: igneous (from melted rock), sedimentary and metamorphic (changed by heat and pressure). Sandstone, limestone, chalk and shale are sedimentary rocks; fossils are mostly found in them. In the rock cycle, rocks are worn down, carried by rivers and laid down as layers.

### Examples

- Sandstone is a sedimentary rock. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/S/sedimentary/#x1)
- Fossils are often found in sedimentary rocks. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/S/sedimentary/#x2)
- The cliff showed many sedimentary layers. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/S/sedimentary/#x3)
- Chalk is a soft sedimentary rock made of tiny shells. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/S/sedimentary/#x4)
- Sedimentary rocks form at the bottom of seas and lakes. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/S/sedimentary/#x5)
- The oldest layers are at the bottom of sedimentary rock. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/S/sedimentary/#x6)

### Note

A science word; no comparative. Related: sediment (the bits), sedimentation (the settling). Sedimentary rocks are often softer and can crumble; igneous rocks like granite are usually harder.

## On Mova

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