Cylinder vs. Roller — What's the Difference?

A cylinder (from Greek: κύλινδρος, romanized: kulindros, lit. 'roller', 'tumbler') has traditionally been a three-dimensional solid, one of the most basic of curvilinear geometric shapes. It is the idealized version of a solid physical tin can having lids on top and bottom.

A cylinder that rotates about a central axis and is used in various machines and devices to move, flatten, or spread something

A solid geometrical figure with straight parallel sides and a circular or oval cross section.

A long swelling wave that appears to roll steadily towards the shore

A piston chamber in a steam or internal combustion engine.

Relating to or involving roller skates

A cylinder-shaped container holding liquefied gas under pressure.

A brightly coloured crow-sized bird with predominantly blue plumage, having a characteristic tumbling display flight.

A rotating metal roller in a printing press.

A bird of a breed of tumbler pigeon.

A cylinder seal.

A breed of canary with a trilling song.

The surface generated by a straight line intersecting and moving along a closed plane curve, the directrix, while remaining parallel to a fixed straight line that is not on or parallel to the plane of the directrix.

A car made by Rolls-Royce.

The portion of such a surface bounded by two parallel planes and the regions of the planes bounded by the surface.

One that rolls or performs a rolling operation or activity.

A solid bounded by two parallel planes and such a surface, especially such a surface having a circle as its directrix.

A small spokeless wheel, such as that of a roller skate or caster.

A cylindrical container or object.

An elongated cylinder on which something, such as a window shade or towel, is wound.

The chamber in which a piston of a reciprocating engine moves.

A heavy revolving cylinder that is used to level, crush, or smooth.

The chamber of a pump from which fluid is expelled by a piston.

(Printing) A cylinder, usually of hard rubber, used to ink the type before the paper is impressed.

The rotating chamber of a revolver that holds the cartridges.

A cylinder of wire mesh, foam rubber, or other material around which a strand of hair is wound to produce a soft curl or wave.

Any of several rotating parts in a printing press, especially one that carries the paper.

A long rolled bandage.

(Archaeology)A cylindrical stone or clay object with an engraved design or inscription.

A heavy swelling wave that breaks on a coast.

(geometry) A surface created by projecting a closed two-dimensional curve along an axis intersecting the plane of the curve. Category:en:Surfaces

A tumbler pigeon.

(geometry) A solid figure bounded by a cylinder and two parallel planes intersecting the cylinder.

Any of various Eurasian, African, or Australian birds of the genera Coracias and Eurystomus, characteristically having bright blue wings, stocky bodies, and hooked bills. They are noted for their habit of rolling and twisting in flight, especially during display flights.

Any object in the form of a circular cylinder.

A breed of canary kept for its soft, trilling song.

A cylindrical cavity or chamber in a mechanism, such as the counterpart to a piston found in a piston-driven engine.

(heading) Anything that rolls.

(automotive) The space in which a piston travels inside a reciprocating engine or pump.

Any rotating cylindrical device that is part of a machine, especially one used to apply or reduce pressure.

A container in the form of a cylinder with rounded ends for storing pressurized gas; a gas cylinder.

A cylindrical (or approximately cylindrical) item used under a heavy object to facilitate moving it; usually several are needed.

An early form of phonograph recording, made on a wax cylinder.

A person who rolls something, such as cigars or molten metal.

The part of a revolver that contains chambers for the cartridges.

(cricket) A large rolling device used to flatten the surface of the pitch.

(computing) The corresponding tracks on a vertical arrangement of disks in a disk drive considered as a unit of data capacity.

A cylindrical tool for applying paint or ink.

(transitive) To calender; to press (paper, etc.) between rollers to make it glossy.

An agricultural machine used for flattening land and breaking up lumps of earth.

A solid body which may be generated by the rotation of a parallelogram round one its sides; or a body of rollerlike form, of which the longitudinal section is oblong, and the cross section is circular.

One of a set of small cylindrical tubes used to curl hair.

Any hollow body of cylindrical form

A roller towel.

The revolving square prism carrying the cards in a Jacquard loom.

A small wheel, as of a caster, a roller skate, etc.

A cylindrical container for oxygen or compressed air

(cycling) One of a set of rolling cylinders allowing a rider to practise balance while training indoors.

A solid bounded by a cylindrical surface and two parallel planes (the bases)

Any insect whose larva rolls up leaves, especially those in family Tortricidae.

A surface generated by rotating a parallel line around a fixed line

A dung beetle that rolls dung into balls.

A chamber within which piston moves

The pl=s, small ground snakes of the genus Cylindrophis.

A rolling pin

(disc golf) A throw which involves the player throwing the disc in a way that makes it roll, by that being able to travel further than if thrown in the air. Only used on holes with open areas with short or no grass.

A long wide bandage used in surgery.

A large, wide, curling wave that falls back on itself as it breaks on a coast.

(heading) A bird.

A breed or variety of roller pigeon that rolls (i.e. tumbles or somersaults) backwards (compare Penson roller, Birmingham roller, tumbler).

Any of various aggressive birds, of the family Coraciidae, having bright blue wings and hooked beaks.

A police patrol car or patrolman (rather than an unmarked police car or a detective)

A padded surcingle that is used on horses for training and vaulting.

A roll of titles or (especially) credits played over film or video; television or film credits.

(slang) A wheelchair user.

(intransitive) To roller skate.

One who, or that which, rolls; especially, a cylinder, sometimes grooved, of wood, stone, metal, etc., used in husbandry and the arts.

A bandage; a fillet; properly, a long and broad bandage used in surgery.

One of series of long, heavy waves which roll in upon a coast, sometimes in calm weather.

A long, belt-formed towel, to be suspended on a rolling cylinder; - called also roller towel.

A cylinder coated with a composition made principally of glue and molassess, with which forms of type are inked previously to taking an impression from them.

A long cylinder on which something is rolled up; as, the roller of a map.

A small wheel, as of a caster, a roller skate, etc.

Any insect whose larva rolls up leaves; a leaf roller. see Tortrix.

Any one of numerous species of Old World picarian birds of the family Coraciadæ. The name alludes to their habit of suddenly turning over or "tumbling" in flight.

Any species of small ground snakes of the family Tortricidæ.

A grounder that rolls along the infield

A long heavy sea wave as it advances towards the shore

A small wheel without spokes (as on a roller skate)

A cylinder that revolves

A mechanical device consisting of a cylindrical tube around which the hair is wound to curl it;

Old World bird that tumbles or rolls in flight; related to kingfishers

Pigeon that executes backward somersaults in flight or on the ground