cylinder

Etymology

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

Pronunciation

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

• Audio (US)

  (file)

Noun

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.
   • 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.

Verb

cylinder (third-person singular simple present cylinders, present participle cylindering, simple past and past participle cylindered)

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

Etymology

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

Pronunciation

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

Noun

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

1. cylinder

Further reading

• cylinder on the Danish Wikipedia.Wikipedia ^da
• Cylinder (geometri) on the Danish Wikipedia.Wikipedia ^da
• Cylinder (fluidmekanik) on the Danish Wikipedia.Wikipedia ^da
• Cylinder (motordel) on the Danish Wikipedia.Wikipedia ^da

Noun

cylinder c

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

References

• cylinder in Svenska Akademiens Ordlista över svenska språket (13th ed., online)