cylinder
Pronunciation
  • (British) IPA: /ˈsɪlɪndə(ɹ)/
  • (America) IPA: /ˈsɪləndɚ/, [ˈsɪlɪ̈ndɚ]
Noun

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.
    • 1898 — H. 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. (automotive) 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. (computing) The corresponding tracks on a vertical arrangement of disks in a disk drive considered as a unit of data capacity.
Translations Translations Translations Translations Translations Translations Translations Translations
  • French: barillet
  • Russian: бараба́н
Verb

cylinder (cylinders, present participle cylindering; past and past participle cylindered)

  1. (transitive) To calender; to press (paper, etc.) between rollers to make it glossy.



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