# cylinder

> English word · Noun · IPA /ˈsɪlɪndə(ɹ)/ · frequency rank #7,212

## Definitions
1. A surface created by projecting a closed two-dimensional curve along an axis intersecting the plane of the curve.
2. A solid figure bounded by a cylinder and two parallel planes intersecting the cylinder.
3. Any object in the form of a circular cylinder.
4. A cylindrical cavity or chamber in a mechanism, such as the counterpart to a piston found in a piston-driven engine.
5. The space in which a piston travels inside a reciprocating engine or pump.
6. A container in the form of a cylinder with rounded ends for storing pressurized gas; a gas cylinder.
7. An early form of phonograph recording, made on a wax cylinder.
8. The part of a revolver that contains chambers for the cartridges.
9. The corresponding tracks on a vertical arrangement of disks in a disk drive considered as a unit of data capacity.

## Etymology
From Middle French chilindre, cylindre, from Latin cylindrus, from Ancient Greek κύλινδρος (kúlindros), from κυλίνδω (kulíndō) "I roll or wallow" (intransitive). Doublet of calander and calender.

## Easily confused with
- **cinder** (https://plainspell.com/en/vs/cinder-vs-cylinder)

## Common misspellings (13)
`ccylinder`, `clyinder`, `cyilnder`, `cylidner`, `cylindder`, `cylinderr`, `cylindre`, `cylinedr`, `cylinnder`, `cyllinder`, `cylnider`, `cyylinder`, `yclinder`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/cylinder