plural noun
Long, round objects with hollow centers, used to carry water, air, or other things.
These tubes carry water to the garden.
The machine uses metal tubes to move air.
American English
How to pronounce tubes
nounB1Common word
TOOBZ
/tʰubz/
One syllable.
Form of tube
Long, round objects with hollow centers, used to carry water, air, or other things.
Practice out loudMeanings & examples
plural noun
Soft containers with small openings and caps, used for toothpaste, cream, paint, or similar substances.
The store sells small tubes of hand cream.
She keeps her tubes of paint in a box.
plural noun
Rubber rings inside tires that hold air and help the tires stay firm.
The mechanic replaced both tubes in my bicycle tires.
These old tires need new tubes.
plural noun
Small containers, often made of glass or plastic, used in a laboratory to hold liquids or samples.
The lab has several tubes filled with blood.
The technician placed the samples in clean tubes.
Useful expressions
The rubber tube inside a tire.
I replaced the inner tube in my bike tire.
A small glass or plastic container used in a laboratory.
The liquid changed color in the test tube.
London's underground train system.
We took the Tube to the hotel.