From Longman Dictionary of Contemporary Englishtubetube1 /tjuːb $ tuːb/ ●●● S3 W3 noun 1 pipe for liquid [countable]TD a round pipe made of metal, glass, rubber etc, especially for liquids or gases to go through → inner tube, test tube2 [countable] a long hollow object that is usually round pasta tubes a toilet roll tube3 container [countable]DT a narrow container made of plastic or soft metal and closed at one end, that you press between your fingers in order to push out the soft substance that is inside a tube of toothpaste4 in your body [countable]HB a tube-shaped part inside your body the bronchial tubes5 → the tube6 → go down the tubes7 → the tube8 electrical equipment [countable] technicalAMT the part of a television that produces the picture on the screen SYN cathode ray tube
Examples from the Corpus
tube• Casey is twenty yards from Balham tube station.• The wave spiralled forwards into a flawless but bone-crushing tube.• Fallopian tubes• The mere presence of tubes turned the MITerminator 3 cables to a brittle mess.• Sedimenting particles in the horizontal-head centrifuge must travel the entire length of the liquid in the tube.• Additionally, when a horizontal-head centrifuge stops. the tubes fall from the horizontal to the vertical position.• In the female this tube is broader than in the male.• Briefly, a vertical tube turned a blank glass eye on him and Ezra and the glass eye contemplated each other.tubetube2 verb [intransitive] to float on a river on a large inner tube for fun→ See Verb tableOrigin tube1 (1600-1700) French Latin tubus 