cylinder

Definitions

• (geometry) A surface created by projecting a closed two-dimensional curve along an axis intersecting the plane of the curve.
• (geometry) A solid figure bounded by a cylinder and two parallel planes intersecting the cylinder.
• Any object in the form of a circular cylinder.
• A cylindrical cavity or chamber in a mechanism, such as the counterpart to a piston found in a piston-driven engine.
• (automotive) The space in which a piston travels inside a reciprocating engine or pump.
• A container in the form of a cylinder with rounded ends for storing pressurized gas; a gas cylinder.
• 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.