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From Middle French cylindre, from Latin cylindrus, from Ancient Greek κύλινδρος (kúlindros), from Ancient Greek κυλίνδω (kulíndō) "I roll or wallow" (intransitive).


  • (UK) IPA(key): /ˈsɪlɪndə(ɹ)/
  • (US) IPA(key): /ˈsɪləndɚ/, [ˈsɪlɪ̈ndɚ]
  • (file)


A drawing of a cylinder showing the height at the center.

cylinder (plural cylinders)

  1. (geometry) A surface created by projecting a closed two-dimensional curve along an axis intersecting the plane of the curve.
    When the two-dimensional curve is a circle, the cylinder is called a circular cylinder. When the axis is perpendicular to the plane of the curve, the cylinder is called a right cylinder. In non-mathematical usage, both right and circular are usually implied.
  2. (geometry) A solid figure bounded by a cylinder and two parallel planes intersecting the cylinder.
  3. Any object in the form of a circular cylinder.
    • 1898H. G. Wells, The War of the Worlds Ch.4
      A big greyish rounded bulk, the size, perhaps, of a bear, was rising slowly and painfully out of the cylinder.
  4. A cylindrical cavity or chamber in a mechanism, such as the counterpart to a piston found in a piston-driven engine.
  5. A container in the form of a cylinder with rounded ends for storing pressurized gas; a gas cylinder.
  6. An early form of phonograph recording, made on a wax cylinder.
  7. The part of a revolver that contains chambers for the cartridges.
  8. (computing) The corresponding tracks on a vertical arrangement of disks in a disk drive considered as a unit of data capacity.


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Derived terms[edit]



From Latin cylindrus, from Ancient Greek κύλινδρος (kúlindros).


  • IPA(key): /sylenər/, [syˈlenˀɐ] or IPA(key): /sylendər/, [syˈlenˀd̥ɐ]


cylinder c (singular definite cylinderen, plural indefinite cylindere or cylindre)

  1. cylinder


External links[edit]


Swedish Wikipedia has an article on:
Wikipedia sv


cylinder c

  1. (geometry) a cylinder
  2. (mechanics) a cylinder (part of an engine)
  3. a top hat


Related terms[edit]