American English

How to pronounce tube

nounB1Common word
TOOB

/tʰub̚/

One syllable.

A long, round object with a hollow center, used to carry water, air, or other things.

What to listen for

“Tube” is commonly pronounced /tʰub̚/. You may also hear /tʰjub̚/, a less common pronunciation in American English.

Common pronunciation/tʰub̚/
Less common pronunciation/tʰjub̚/
Practice out loud

Meanings & examples

noun

A long, round object with a hollow center, used to carry water, air, or other things.

The water runs through a plastic tube.

We need a tube for the new air conditioner.

Common phrases & grammar

plastic tube · metal tube · hollow tube · flexible tube

a/an + adjective + tube

a tube + for + noun/gerund

noun

A soft container with a small opening and a cap, used for toothpaste, cream, paint, or a similar substance.

I need a new tube of toothpaste.

She squeezed the cream from the tube.

Common phrases & grammar

tube of toothpaste · tube of paint · tube of cream · squeeze tube

a tube of + noun

squeeze + noun + from + a tube

noun

A rubber ring inside a tire that holds the air and helps the tire stay firm.

I had to replace the tube in my bike tire.

The tube is flat again.

Common phrases & grammar

inner tube · bike tube · flat tube · tube repair kit

inflate + the + tube

replace + the + tube

nountechnicalless common

A small container, often made of glass or plastic, used in a laboratory to hold a liquid or sample.

The scientist put the sample in a glass tube.

The nurse labeled the blood tube.

Common phrases & grammar

test tube · sample tube · glass tube

put + a/the + sample + in + a tube

remove + a/the + sample + from + a tube

Useful expressions

inner tube

The rubber tube inside a tire.

I replaced the inner tube in my bike tire.

test tube

A small glass or plastic container used in a laboratory.

The liquid changed color in the test tube.

the Tube

London's underground train system.

We took the Tube to the hotel.

Related words & forms