# Cylinder vs Graphophone - What's the difference?

cylinder | graphophone |

## As nouns the difference between cylinder and graphophone

is that cylinder is (geometry) a surface created by projecting a closed two-dimensional curve along an axis intersecting the plane of the curve while graphophone is an improvement on the phonograph, using a floating stylus to cut grooves into a wax-coated cardboard cylinder.

# 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.

* (wikipedia "cylinder")

#### Derived terms

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

# graphophone

## English

### Noun

(en noun) (wikipedia graphophone)
• An improvement on the phonograph, using a floating stylus to cut grooves into a wax-coated cardboard cylinder.