What is Cylinder (disambiguation)?
{{wiktionary|cylinder}} A '''[[cylinder]]''' is a three-dimensional geometric shape. '''Cylinder''' may also refer to: {{TOC right}} ==Science and technology== * [[Cylinder (engine)]], the space in which a piston travels in an engine * [[Gas cylinder]], a container for storing compressed gas ** [[Diving cylinder]], a type of gas cylinder used in scuba-diving * [[Cylinder (firearms)]], the rotating device that contains the firing chambers of a revolver * [[Cylinder lock]], the part that is profiled to accept a specific key * [[Graduated cylinder]], glassware for measurement of liquids in laboratories * [[Hydraulic cylinder]], using pressurized liquid * [[Pneumatic cylinder]], using compressed gas ** [[Cylinder (locomotive)]], in a steam locomotive ===Information storage=== * [[Phonograph cylinder]], the dominant medium of audio storage from the 1870s until 1904. * [[Cylinder (disk drive)]], in computer hard drives * [[Cylinder seal]], an ancient, often clay, cylinder engraved with a 'picture story' * [[Cuneiform script]]s, on cylinders, e.g. ancient documents of Babylonian kings: ** [[Cylinder of Nabonidus]] ** [[Cyrus Cylinder]] ===Mathematics=== * [[Cylinder (algebra)]], the Cartesian product of a set with its superset ==Places== * [[Cylinder, Iowa]], a city in the United States ==Related pages== * [[Cylinder set]], the natural open set of a product topology * [[Cylinder hat]], a type of hat popular in 19th and early 20th centuries * {{lookfrom|Cylinder}} {{disambiguation}}