Definition of tube

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Scrabble & Words with friends points

  • tube is a valid Scrabble US word with a point value of 6
  • tube is a valid Scrabble UK word with a point value of 6
  • tube is a valid Words with friends word with a point value of 8

Definition of tube

  • a hollow cylindrical shape (noun)

    Synonyms

    1. pipe
  • (anatomy) any hollow cylindrical body structure (noun)

    Synonyms

    1. tube-shaped structure
  • an electric railway operating below the surface of the ground (usually in a city) (noun)

    Examples

    1. in Paris the subway system is called the `metro' and in London it is called the `tube' or the `underground'

    Synonyms

    1. metro
    2. subway
    3. subway system
    4. underground
  • conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases (noun)

    Synonyms

    1. tubing
  • electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope (noun)

    Synonyms

    1. electron tube
    2. thermionic tube
    3. thermionic vacuum tube
    4. thermionic valve
    5. vacuum tube
  • convey in a tube (verb)

    Examples

    1. inside Paris, they used to tube mail
  • place or enclose in a tube (verb)
  • provide with a tube or insert a tube into (verb)
  • ride or float on an inflated tube (verb)

    Examples

    1. We tubed down the river on a hot summer day

See definition of tube in Merriam Webster