tube Definition in Cambridge British English Dictionary
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Definition of "tube" - British English Dictionary

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tubenoun

uk   /tjuːb/  us   /tuːb/

tube noun (PIPE)

B2 [C] a long cylinder made from plastic, metal, rubber, or glass, especially used for moving or containing liquids or gases: Gases produced in the reaction pass through this tube and can then be collected. [C] in biology, any hollow, cylinder-shaped structure in the body that carries air or liquid: the bronchial tubes
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tube noun (CONTAINER)

B1 [C] a long, thin container made of soft metal or plastic that is closed at one end and has a small hole at the other, usually with a cover, used for storing thick liquids: a tube of toothpaste [C] Australian English informal for a can or bottle of beer: a tube of lager

tube noun (TRAIN)

the tube B1 [S] (often the Tube) UK informal London's underground train system: I got the Tube to Camden Town. I go to work on the tube. a Tube station

tube noun (TELEVISION)

the tube [S] mainly US the television: What's on the tube this weekend?
(Definition of tube from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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