inner tube

/ˌɪnər ˈtub/
/ˈɪnə tub/
IPA guide

Other forms: inner tubes

Definitions of inner tube
  1. noun
    an inflatable rubber tube that fits inside the casing of a pneumatic tire
    see moresee less
    type of:
    tube, tubing
    conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases
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