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Cylinder vs Undefined - What's the difference?

cylinder | undefined |

As a noun cylinder

is (geometry) a surface created by projecting a closed two-dimensional curve along an axis intersecting the plane of the curve.

As an adjective undefined is

lacking a definition or value.

cylinder

English

Noun

(en noun)
  • (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.
  • (geometry) A solid figure bounded by a cylinder and two parallel planes intersecting the cylinder.
  • Any object in the form of a circular cylinder.
  • * 1898 — , 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 .
  • A cylindrical cavity or chamber in a mechanism, such as the counterpart to a piston found in a piston-driven engine.
  • A container in the form of a cylinder with rounded ends for storing pressurized gas.
  • An early form of phonograph recording, made on a wax cylinder.
  • The part of a revolver that contains chambers for the cartridges.
  • (computing) The corresponding tracks on a vertical arrangement of disks in a disk drive considered as a unit of data capacity.
  • See also

    * (wikipedia "cylinder")

    Derived terms

    * cylinder head * cylindrical * fire on all cylinders ----

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
  • The result of division by zero is undefined .

    Antonyms

    * defined