Definition of cylinder in English:

cylinder

Line breaks: cy¦lin|der
Pronunciation: /ˈsɪlɪndə
 
/

noun

1A solid geometrical figure with straight parallel sides and a circular or oval cross section.
More example sentences
  • Narnia uses stencil shadows generated from implicit geometry representations such as cylinders and ellipsoids, and also extruded polygons.
  • He goes on to consider solid geometry giving results on prisms, cylinders, and spheres.
  • Simple geometrical arrangements such as an ellipsoid or a cylinder are often used to gauge the shape of particles such as micelles and proteins.
1.1A solid or hollow body, object, or part having the shape of a cylinder.
More example sentences
  • Form the marzipan into a cylinder the same length as the stollen dough.
  • The cell body is actually a cylinder capped at both ends by hemispheres and the radius of the flagellum helix is smaller than that of the cell body.
  • Many materials scientists predict that the tiny, hollow cylinders of carbon atoms known as carbon nanotubes will eventually lead to a new generation of supersmall transistors.
2A piston chamber in a steam or internal-combustion engine.
More example sentences
  • Think of a cylinder and a piston in an old steam engine.
  • When a cylinder fires, the piston rod is at an angle and can immediately turn the crankshaft via the cam at the end of the pivoting arm.
  • With both valves closed following combustion, the pistons in those cylinders come up and compress the exhaust gases instead of pumping them out.
3A cylinder-shaped container holding liquefied gas under pressure.
More example sentences
  • The fuel cell unit with a power output of 200 kW and the pressurized gas cylinders containing compressed hydrogen are accommodated on the roof.
  • Residents from around 200 houses in Colne had to leave their properties at 8pm after a fire at a block of garages containing cylinders of highly explosive gas on Tuesday night.
  • Residents were forced to evacuate their Eastwood homes after a field fire swept through garden sheds containing potentially explosive gas cylinders.
4A rotating metal roller in a printing press.
5 Archaeology A cylinder seal.

Origin

late 16th century: from Latin cylindrus, from Greek kulindros 'roller', from kulindein 'to roll'.

Derivatives

cylindric

Pronunciation: /sɪˈlɪndrɪk/
adjective
More example sentences
  • Millotia myosotidifolia is an annual herb, 16-30 cm tall, whose achenes are narrowly cylindric and strigillose.
  • Four cylindric plastic rings of the same model were set above the initial one to increase the tank volume and were filled with a hyperosmolar glucose solution to create an osmotic stress.
  • The body or shaft of the femur is almost cylindric but it is slightly flattened anteriorly and strengthened posteriorly by a longitudinal ridge, the linea aspera.

cylindrical

Pronunciation: /sɪˈlɪndrɪk(ə)l/
adjective
More example sentences
  • The stolen fireworks are brown and round or cylindrical, varying in size from a tennis ball to a football.
  • Traditional houses are round dwellings with cylindrical walls made of wattle and daub.
  • The beautiful golden flowers of the Amaltas are succeeded by long cylindrical pods which become black with age.

cylindrically

Pronunciation: /sɪˈlɪndrɪk(ə)li/
adverb
More example sentences
  • The clay that goes into making this cylindrically oval vessel is found only on the beds of tanks in Adilabad.
  • Microtubules are long cylindrically shaped protein filaments that are able to give mechanical strength to a living cell.
  • This cylindrically shaped tool with a tapered section on both ends is used to expand the mouth of brass cases by hand.

Definition of cylinder in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day glee
Pronunciation: glē
noun
great delight