Definition, Meaning & Synonyms
inner-tube
noun
/ˈɪnər tjuːb/

Definition
A rubber or inflatable tube that is fitted inside a tire or used as a floatation device.

Examples
- She had to replace the inner-tube of her bicycle before the trip.
- They floated down the river on inner-tubes during summer.

Meaning
The inner-tube is commonly used to provide air to tires or as a buoyancy aid in water activities.

Synonyms
- float
- tube
- bladder