inner tube
noun
: an inflatable usually ring-shaped rubber tube designed for use inside a pneumatic tire
Examples of inner tube in a Sentence
Recent Examples on the Web
On one run riders sit in inner tubes which spin dizzyingly down a small slope whilst more adventurous guests can roll down it in a giant hamster ball.
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Caroline Reid, Forbes, 8 Jan. 2025
There was plenty to see: Bao Li scarfed down bamboo and played with an inner tube, keeping it in the air with his front and back legs.
—Christopher Cann, USA TODAY, 24 Jan. 2025
Tubeless tires don't have an inner tube—an airtight seal keeps the air in—and that allows for higher-quality, thicker, and tougher tires (though not as tough as solid tires).
—Julian Chokkattu, WIRED, 29 Dec. 2024
Rubber inner tubes that the girl used as flotation devices.
—Hannah Peart, NBC News, 12 Dec. 2024
See all Example Sentences for inner tube 
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Caroline Reid, Forbes, 8 Jan. 2025
There was plenty to see: Bao Li scarfed down bamboo and played with an inner tube, keeping it in the air with his front and back legs.
—Christopher Cann, USA TODAY, 24 Jan. 2025
Tubeless tires don't have an inner tube—an airtight seal keeps the air in—and that allows for higher-quality, thicker, and tougher tires (though not as tough as solid tires).
—Julian Chokkattu, WIRED, 29 Dec. 2024
Rubber inner tubes that the girl used as flotation devices.
—Hannah Peart, NBC News, 12 Dec. 2024
See all Example Sentences for inner tube
Dictionary Entries Near inner tube
Cite this Entry
“Inner tube.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/inner%20tube. Accessed 21 Feb. 2025.
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