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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Soon, Wolf took Brooke out in the surf in an inner tube, spurring a friendship with Finley that would evolve into a love story. Edgar Thompson, Orlando Sentinel, 26 Feb. 2025 Option 2: If option 1 fails or the tire isn’t tubeless, insert an inner tube to get you home. Seb Stott, Outside Online, 27 Jan. 2025 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. 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 See All Example Sentences for inner tube

Word History

First Known Use

1894, in the meaning defined above

Time Traveler
The first known use of inner tube was in 1894

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Cite this Entry

“Inner tube.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/inner%20tube. Accessed 12 Mar. 2025.

Kids Definition

inner tube

noun
: an inflatable ring-shaped rubber tube used inside a tire to hold air under pressure

More from Merriam-Webster on inner tube

Last Updated: - Updated example sentences
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