| cylinder | |
| 1. n. (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 | |
| 2. n. (geometry) A solid figure bounded by a cylinder and two parallel planes intersecting the cylinder. | |
| 3. n. Any object in the form of a circular cylinder. | |
| 4. n. A cylindrical cavity or chamber in a mechanism, such as the counterpart to a piston found in a piston-driven engine. | |
| 5. n. (automotive) The space in which a piston travels inside a reciprocating engine or pump. | |
| 6. n. A container in the form of a cylinder with rounded ends for storing pressurized gas; a gas cylinder. | |
| 7. n. An early form of phonograph recording, made on a wax cylinder. | |
| 8. n. The part of a revolver that contains chambers for the cartridges. | |
| 9. n. (computing) The corresponding tracks on a vertical arrangement of disks in a disk drive considered as a unit of data capacity. | |
| 10. v. To calender; to press (paper, etc.) between rollers to make it glossy. | |
