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# cylinder

noun (a cylinder, cylinders); adjective: cylindrical

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

## Everyday

1. A cylinder is a 3D shape with two equal flat circles at the ends and one curved side joining them, like a tin of beans. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/cylinder/#m1)
2. A cylinder is a tube-shaped container or machine part, such as a gas cylinder or the cylinder in a car engine. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/cylinder/#m2)

### In the lessons

In maths lessons a cylinder is a solid shape with 2 flat faces (circles), 1 curved face and 2 curved edges, and no corners; you can find its volume. In science and everyday life gas comes in cylinders. Phrases: «gas cylinder», «oxygen cylinder», «firing on all cylinders».

### Examples

- A tin of soup is a cylinder. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/cylinder/#x1)
- A cylinder has two circle faces and one curved face. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/cylinder/#x2)
- How many flat faces does a cylinder have? [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/cylinder/#x3)
- Divers carry oxygen cylinders. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/cylinder/#x4)
- Keep the gas cylinder away from fire. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/cylinder/#x5)
- The team is firing on all cylinders today. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/cylinder/#x6)
- For instance, why a piece of iron which is rubbed on a cylinder, should become magnetic. [tree →](https://mova.elamur.ai/free/en/corpora/dictionaries/school/C/cylinder/#x7)

### Note

Spelling: cy-lin-der (y after c). Countable. Faces: 2 flat + 1 curved; edges: 2; vertices: 0. Volume = area of the circle end × height. Do not mix with a cone (one circle and a point).

## On Mova

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