tube Definition

  • 1a long, hollow cylinder of metal, plastic, glass, etc., for holding or transporting something, chiefly liquids or gases
  • 2the underground railway system in London
  • 3a cylindrical container with a soft, collapsible structure, typically made of plastic or metal, that can be squeezed to force out its contents

Using tube: Examples

Take a moment to familiarize yourself with how "tube" can be used in various situations through the following examples!

  • Example

    She put the toothpaste back into the tube.

  • Example

    The paint comes in a tube.

  • Example

    I took the tube to work this morning.

  • Example

    He has a collection of old radio tubes.

tube Synonyms and Antonyms

Synonyms for tube

Idioms Using tube

  • to fail or be ruined


    Their business went down the tubes after the recession hit.

  • in the process of being planned or developed


    The new product is still in the tube, but we hope to release it soon.

  • slang term for a hot dog


    He ordered a tube steak from the food cart.

Phrases with tube

  • a rubber tube that fits inside a pneumatic tire, providing it with air and helping to absorb shocks


    He had to replace the inner tube on his bike.

  • a thin glass tube closed at one end, used to hold small amounts of material for laboratory testing or experiments


    She heated the test tube over a Bunsen burner.

  • a woman's garment consisting of a strapless top that is held up by an elasticated band around the chest


    She wore a tube top and shorts to the beach.

Origins of tube

from Latin 'tubus', meaning 'pipe'


Summary: tube in Brief

The term 'tube' [tjuːb] refers to a long, hollow cylinder used for holding or transporting liquids or gases, such as toothpaste or paint. It can also refer to the underground railway system in London. 'Tube' extends into phrases like 'inner tube,' used for bike tires, and idioms like 'down the tubes,' meaning to fail or be ruined.

How do native speakers use this expression?