tube Definition in the Cambridge English Dictionary Cambridge dictionaries logo

Definition of “tube” - English Dictionary

"tube" in American English

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tubenoun

 us   /tub/
  • tube noun (PIPE)

[C] a ​long, ​hollowcylinder of ​plastic, ​metal, ​rubber, or ​glass, used for ​moving or ​containingliquids or ​gases: a ​copper tube She ​lay in the ​hospital, tubes going in and out of her. [C] A tube is also one of the body’s ​hollowcylindricalstructures that ​carriesair or ​liquid: bronchial tubes
  • tube noun (CONTAINER)

[C] a ​cylindricalcontainer made of ​softmetal or ​plastic which is ​closed at one end and has a ​smallopening at the other, usually with a ​cover, and is used for ​holdingthickliquids: a tube of ​toothpaste/​ointment
  • tube noun (TELEVISION)

[U] infml television: What’s on the tube ​tonight?
(Definition of tube from the Cambridge Academic Content Dictionary © Cambridge University Press)







"tube" in British English

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tubenoun

uk   /tjuːb/  us   /tuːb/
  • tube noun (PIPE)

B2 [C] a ​longcylinder made from ​plastic, ​metal, ​rubber, or ​glass, ​especially used for ​moving or ​containingliquids or ​gases: Gases ​produced in the ​reactionpass through this tube and can then be ​collected. [C] in ​biology, any ​hollow, cylinder-shaped ​structure in the ​body that ​carriesair or ​liquid: the ​bronchial tubes

expend iconexpend iconMore examples

  • tube noun (CONTAINER)

B1 [C] a ​long, ​thincontainer made of ​softmetal or ​plastic that is ​closed at one end and has a ​smallhole at the other, usually with a ​cover, used for ​storingthickliquids: 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 ​undergroundtrainsystem: 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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