- a solid or hollow figure with round ends and long straight sidesTopics Colours and Shapesc1
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- an object like a cylinder in shape, especially one used as a container
- a gas/oxygen cylinder
- All our aircraft carry at least one oxygen cylinder for emergency use on board.
- the hollow tube in an engine, like a cylinder in shape, inside which the piston moves
- a six-cylinder engine
Word Originlate 16th cent.: from Latin cylindrus, from Greek kulindros ‘roller’, from kulindein ‘to roll’.
Idioms
See cylinder in the Oxford Advanced American DictionarySee cylinder in the Oxford Learner's Dictionary of Academic Englishworking/firing on all cylinders
- (informal) using all your energy to do something; working as well as possible
Check pronunciation:
cylinder