inner tube
noun
a doughnut-shaped, flexible rubber tube inflated inside a tire to bear the weight of a vehicle.
Nearby words
inner planet, inner product, inner sanctum, inner space, inner temple, inner tube, inner woman, inner-directed, inner-tuber, inner-tubing, innerly
Origin of inner tube
First recorded in 1890–95
Also called tube.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for inner tube
inner tube
noun
an inflatable rubber tube that fits inside a pneumatic tyre casing
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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