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.
Do not rely on water toys such as floaties, noodles, or inner tubes as substitutes for life jackets. Thao Nguyen, USA Today, 10 July 2026 Docks line the emerald shoreline, boats pull skiers and inner tubes across open water and the Blue Ridge foothills give the whole scene a polished Appalachian backdrop. Spencer Elliott, Forbes.com, 10 July 2026 Nothing says summer quite like pushing off on an inner tube and floating down a refreshing, natural lazy river as gorgeous landscapes pass by. Terry Ward, Travel + Leisure, 17 June 2026 Decades ago, tires needed inner tubes to hold air. Jason Fogelson, AJC.com, 29 May 2026 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 14 Jul. 2026.

Kids Definition

inner tube

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

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