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English definition of “cylinder”

cylinder

noun [C] (ENGINE PART)    /ˈsɪl.ɪn.dər/ US  /-dɚ/
the tube-shaped device, found especially in an engine, inside which the part of the engine that causes the fuel to produce power moves up and down: a six-cylinder engineThe engine and engine partsEngines and motors
(Definition of cylinder noun (ENGINE PART) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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