Cylinder

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Look up cylinder in Wiktionary, the free dictionary.

Cylinder may refer to:

• Moving cylinders:
  • Cylinder (engine), the space within which a piston travels in an engine
  • Cylinder (steam locomotive)
  • Hydraulic cylinder, a cylinder barrel with piston rod for pushing and pulling using pressurized fluid
  • Pneumatic cylinder, a cylinder barrel with piston rod for pushing and pulling using compressed gases
  • Cylinder (firearms), the rotating device that contains the firing chambers of a revolver
  • Cylinder lock, the part of a lock that is profiled to accept a specific key

• Non-moving cylinders:
  • Gas cylinder, a container for storing compressed gas (e.g. compressed air)
  • Diving cylinder, a type of gas cylinder used in scuba-diving
  • Graduated cylinder, glassware for measurement of liquids in laboratories
  • Phonograph cylinder, the dominant medium of audio storage from the 1870s to the 1910s and in limited use (such as in the dictaphone) through the mid-20th century
  • Cylinder (geometry), a three-dimensional geometric shape
  • Cylinder (algebra), the Cartesian product of a set with its superset
  • A type of lens and a form of refraction error
  • Cylinder, Iowa, a small city in the United States
  • Cylinder hat, a tall hat, popular in 19th and early 20th centuries
  • Cylinder, a unit of data division on a hard disk drive:
    • In the cylinder-head-sector hard disk addressing method, a reference to the three-dimensional object made from a single track projected through all platters in the drive. The name refers to the shape of this theoretical disk object, because it occupies the same shape in space, as the cylinder disk drive. (see next entry).
    • A cylinder (disk drive) of an IBM CKD disk

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