Get the FREE one-click dictionary software for Windows
or the iPhone/iPad and Android apps
Noun: inner tube  i-nu(r) t(y)oob
  1. An inflatable rubber tube that fits inside the casing of a pneumatic tire
    "He patched the punctured inner tube of his bicycle tire"

Derived forms: inner tubes

Type of: tube, tubing

Part of: pneumatic tire [N. Amer], pneumatic tyre [Brit]

Encyclopedia: Inner tube