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cylinder

noun [C] (SHAPE)
 
 
/ˈsɪl.ɪn.dər/ US  /-dɚ/

Definition

a solid or hollow tube with long straight sides and two circular ends the same size, or an object shaped like this, often used as a container: Deep-sea divers carry cylinders of oxygen on their backs.Geometrical shapesSpherical, circular and annular objectsSpherical, circular and annular objectsGeometrical shapes
(Definition of cylinder noun (SHAPE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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