• synonyms


[too-bing, tyoo-]
See more synonyms for tubing on Thesaurus.com
  1. material in the form of a tube: glass tubing.
  2. tubes collectively.
  3. a piece of tube: two feet of copper tubing.
  4. Also called inner-tubing. the sport or recreation of floating down a river or stream on an inner tube.
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Origin of tubing

First recorded in 1835–45; tube + -ing1


[toob, tyoob]
  1. a hollow, usually cylindrical body of metal, glass, rubber, or other material, used especially for conveying or containing liquids or gases.
  2. a small, collapsible, cylinder of metal or plastic sealed at one end and having a capped opening at the other from which paint, toothpaste, or some other semifluid substance may be squeezed.
  3. Anatomy, Zoology. any hollow, cylindrical vessel or organ: the bronchial tubes.
  4. Botany.
    1. any hollow, elongated body or part.
    2. the united lower portion of a gamopetalous corolla or a gamosepalous calyx.
  5. inner tube.
  6. Electronics. electron tube.
  7. Informal.
    1. television.
    2. a television set.
  8. mailing tube.
  9. the tubular tunnel in which an underground railroad runs.
  10. the railroad itself.
  11. Surfing Slang. the curled hollow formed on the underside of a cresting wave.
  12. British. subway(def 1).
  13. Australian Slang. a can of beer.
  14. Older Slang. a telescope.
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verb (used with object), tubed, tub·ing.
  1. to furnish with a tube or tubes.
  2. to convey or enclose in a tube.
  3. to form into the shape of a tube; make tubular.
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  1. down the tube/tubes, Informal. into a ruined, wasted, or abandoned state or condition.
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Origin of tube

First recorded in 1590–1600, tube is from the Latin word tubus pipe
Related formstube·less, adjectivetube·like, adjectivemul·ti·tube, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for tubing

tube, sock, tights, tubing, hosiery, breeches

Examples from the Web for tubing

Historical Examples of tubing

  • The outside diameter of this tubing should be the same as the size of the bit used.

    Boys' Book of Model Boats

    Raymond Francis Yates

  • The tubing is well washed, rinsed with alcohol, and carefully dried.

    On Laboratory Arts

    Richard Threlfall

  • He looked at the Goldburgian device he had made out of wire and tubing.

    All Day September

    Roger Kuykendall

  • Below this was tubing, intricate coils, massive, heavy and strong.

  • Two pieces of wire bent as in Fig. 90a will hold the tubing in place.

    Toy-Making at Home

    Morley Adams

British Dictionary definitions for tubing


  1. tubes collectively
  2. a length of tube
  3. a system of tubes
  4. fabric in the form of a tube, used for pillowcases and some cushions; piping
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  1. a long hollow and typically cylindrical object, used for the passage of fluids or as a container
  2. a collapsible cylindrical container of soft metal or plastic closed with a cap, used to hold viscous liquids or pastes
  3. anatomy
    1. short for Eustachian tube, Fallopian tube
    2. any hollow cylindrical structure
  4. botany
    1. the lower part of a gamopetalous corolla or gamosepalous calyx, below the lobes
    2. any other hollow structure in a plant
  5. the tube British
    1. Also called: the undergroundan underground railway systemUS and Canadian equivalent: subway
    2. the tunnels through which the railway runs
    3. the train itself
    4. (capital) trademarkthe London underground railway system
  6. electronics
    1. another name for valve (def. 3)
    2. See electron tube, cathode-ray tube, television tube
  7. the tube slang a television set
  8. British slang a stupid or despicable person
  9. Australian slang a bottle or can of beer
  10. surfing the cylindrical passage formed when a wave breaks and the crest tips forward
  11. an archaic word for telescope
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verb (tr)
  1. to fit or supply with a tube or tubes
  2. to carry or convey in a tube
  3. to shape like a tube
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Derived Formstubeless, adjectivetube-like, adjective

Word Origin for tube

C17: from Latin tubus
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for tubing



1610s, from Middle French tube (mid-15c.), from Latin tubus "tube, pipe," of unknown origin. The London subway was christened the Twopenny Tube before it even opened (H.D. Browne, in the "Londoner" of June 30, 1900); tube for "cylindrical railway tunnel" is attested from 1847. The meaning "TV as a medium" is from 1959, short for cathode ray tube or picture tube. Tube top as a women's clothing style is attested from 1972. Tube steak is attested from 1963 as "frankfurter," slang meaning "penis" is recorded by mid-1980s. Tubing as a recreational pastime is recorded from 1975.

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Online Etymology Dictionary, © 2010 Douglas Harper

tubing in Medicine


  1. A hollow cylinder, especially one that conveys a fluid or functions as a passage.
  2. An anatomical structure or organ having the shape or function of a tube; a duct.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Idioms and Phrases with tubing


see down the tubes.

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The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.