a long, hollow cylinder of metal, plastic, glass, etc., for holding or transporting something, chiefly liquids or gases, a device consisting of a tube containing a partial vacuum, used for amplifying sounds in an electronic system

inner ear tubes, test tube, tube top

Formal and Informal Expressions of tubes

In different contexts, you can replace 'tubes' with suitable alternatives. In a more formal setting, 'cylinders' is apt. In informal speech or writing, 'pipes' is a commonplace synonym.

tubes: Explore its Definition & Usage

tubes Definition

1a long, hollow cylinder of metal, plastic, glass, etc., for holding or transporting something, chiefly liquids or gases
2a device consisting of a tube containing a partial vacuum, used for amplifying sounds in an electronic system

Using tubes: Examples

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

Example
The toothpaste comes in a tube.
Example
The blood sample was sent to the lab in a tube.
Example
The guitar amplifier uses vacuum tubes.
Example
The sound engineer adjusted the levels on the tubes to get the desired effect.

tubes Synonyms and Antonyms

Synonyms for tubes

pipes
cylinders
ducts

Phrases with tubes

inner ear tubes
small tubes in the inner ear that help regulate pressure and fluid
Example
The doctor recommended exercises to help clear the inner ear tubes.
test tube
a cylindrical glass container used in scientific experiments
Example
The scientist placed the sample in a test tube for analysis.
tube top
a type of women's clothing that is a strapless, stretchy top that fits tightly around the upper body
Example
She wore a tube top and shorts to the beach.

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Summary: tubes in Brief

The term 'tubes' [tjuːbz] refers to long, hollow cylinders used for holding or transporting liquids or gases, as well as devices used for amplifying sounds in electronic systems. Examples include toothpaste tubes, vacuum tubes in guitar amplifiers, and test tubes for scientific experiments. 'Tubes' also extends into fashion with tube tops, and medical contexts with inner ear tubes.