Tube Definition

to͝ob, tyo͝ob
tubed, tubes, tubing
noun
tubes
A cylindrical container made of thin, pliable metal, plastic, etc., fitted at one end with a screw cap, and used for holding pastes or semiliquids, which can be squeezed out.
Webster's New World
The lower, united part of a gamopetalous corolla or a gamosepalous calyx.
Webster's New World
An instrument, part, organ, etc. resembling a tube.
Bronchial tubes, eustachian tubes.
Webster's New World
The tubular space bounded by the lines of electric or magnetic force passing through every point on a closed curve on the outside of a charged body.
Webster's New World
The elongated space inside a wave when it is breaking.
American Heritage
Synonyms:
pronoun
(informal) The London Underground.
Wiktionary
verb
tubed, tubes, tubing
To provide with, place in, or pass through a tube or tubes.
Webster's New World
To place in or enclose in a tube.
American Heritage
To make tubular.
Webster's New World
To ride or float on an inflated tube for recreation.
American Heritage
idiom
down the tubes
  • Into a state of failure or ruin:

    saw her plans go down the tubes.

American Heritage
down the tube
  • in or into a condition of failure, defeat, etc.
Webster's New World
the tube
  • television
Webster's New World

Other Word Forms of Tube

Noun

Singular:
tube
Plural:
tubes

Idioms, Phrasal Verbs Related to Tube

Origin of Tube

  • From Middle French tube, from Latin tubus (“tube, pipe").

    From Wiktionary

  • French from Old French from Latin tubus

    From American Heritage Dictionary of the English Language, 5th Edition

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