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inner tube

From Wiktionary, the free dictionary
See also: innertube

English

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inner tube with valve of a bicycle tyre
English Wikipedia has an article on:
Wikipedia

Alternative forms

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Noun

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inner tube (plural inner tubes)

  1. An inflatable rubber tube with a valve inserted into the casing of a pneumatic tyre.
  2. Synonym of swim ring

Translations

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See also

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