ENGLISH
REFERENCE

tubes

n.
US //ˈtubz// UK //tjˈuːbz// tubes
  1. 1 hollow pipes (n.)
    A2 Elementary

    more than one long, hollow object used to hold or move things like liquids or air.

    plural form of tube; multiple cylindrical objects used for the conveyance of fluids or as structural components.

    Example

    The mechanic replaced the old rubber tubes under the car's hood.

    Example

    The laboratory was filled with glass tubes of various sizes, each containing a different chemical solution for the afternoon's experiments.

  2. 2 the internet (n.)
    C1 Advanced Informal Humorous Slang Computing

    a funny or informal way to talk about the internet.

    a humorous, often slightly derisive term for the internet, popularized by the phrase 'series of tubes'.

    Example

    I spent all night reading strange stories on the tubes.

    Example

    The politician's clumsy description of the internet as a 'series of tubes' became an enduring meme among tech-savvy voters.

    Teacher's tip

    This is a dated internet meme; it is rarely used seriously and usually implies the speaker is joking about a lack of technical knowledge.

  3. 3 fallopian tubes (n.)
    B2 Upper Intermediate Informal Medicine

    a common way to refer to the parts of a woman's body that carry eggs to the womb.

    informal shorthand for the fallopian tubes; frequently used in the context of surgical sterilization.

    Example

    She decided to have her tubes tied after her third child was born.

    Example

    The patient requested information regarding the permanent closure of her tubes as a method of long-term contraception.

    • fallopian tubes
Idioms1 entry

Last updated June 20, 2026