title: Cylinder (disambiguation)
text: # Cylinder (disambiguation)
  
  A cylinder is a basic curvilinear geometric shape.
  
  Cylinder may also refer to:
  
  * Cylinder (algebra), the Cartesian product of a set with its superset
  * Cylinder (disk drive), a division of data in a disk drive
  * Cylinder (engine), the space in which a piston travels in an engine
  * Cylinder (firearms), the rotating part of a revolver containing multiple chambers
  * Cylinder (gastropod), a subgenus of sea snails
  * Cylinder (locomotive), the components that convert steam power into motion
  * Cylinder (optometry)
  * Cylinder, Iowa, a city in Palo Alto County, Iowa, United States
  * Cylinder set, a natural basic set in product spaces
  * Cylinder set measure, a way to generate a measure over product spaces
  * Gas cylinder, a high-strength container for storing gases at high pressure
  * Phonograph cylinder, the earliest commercial medium for recording and reproducing sound
  