Definition of inner tube in US English:

inner tube


  • 1A separate inflatable tube inside a pneumatic tire.

    • ‘At the time she was trying to fit a new inner tube into her bike tyre, she'd obviously had a puncture.’
    • ‘The inner tube installed in the front tire of the 2001 Scout was undersized.’
    • ‘These blowouts were not from the Kevlar tyres letting them down but simply from inner tubes exploding!’
    • ‘The students also performed basic maintenance, including changing tires, inner tubes and brake service free of charge.’
    • ‘When my fingers smell of rubber solution and I have discovered the umpteenth miniscule hole in an inner tube, I reckon that my most significant lifetime achievement is to fix bicycle punctures.’
    • ‘Sweet, I'll see if the inner tube is the problem.’
    • ‘Just as John Boyd Dunlop invented the inner tube because he was tired of his bicycle tyres getting punctures, the tyre industry in the mid 90's began to look at ways to stop the problems caused by punctures.’
    • ‘Early next morning we took the inner tubes and tyre to the garage to remove some bits of metal that had become embedded, and to patch the tyre again.’
    • ‘This, however, tasted the way squid should - it was delicately marinated, rather than cloyingly covered in soy sauce, and had the texture of beautifully done scallops rather than over-cooked inner tubes.’
    • ‘The robber stole a few cartons of cigarettes and some bicycle tyre inner tubes from their shop.’
    • ‘The Michelin brothers used up their entire spare stock of 22 inner tubes on their Peugeot during the race.’
    • ‘New and used bike parts are also sold, including inner tubes and other basic items.’
    • ‘It took about 25 minutes from stopping until he arrived and the new inner tube had been pumped up.’
    • ‘With a mere twist of the wrist he had the offending inner tube exposed and immediately pushed the valve sideways and showed me a tear in the rubber at that very spot.’
    • ‘The car's tyres were pneumatic but had no inner tube.’
    • ‘Instead of an inner tube the tyre has a rubber lining and the pressure of the beading against the rim of the wheel is claimed to give a seal which is proof against any escape of air.’
    • ‘Alternatively you can use disposable sinkers such as pebbles or wet sand tied inside lengths of bicycle inner tube or scrap pieces of metal such as old nuts and bolts if you can lay your hands on such things.’
    • ‘After using a patch kit to repair the inner tube or replacing the tube altogether, pump up the inner tube until it is filled just enough that there are no creases left in the tube.’
    • ‘I changed the inner tubes as it came with 'woods' type valves and I prefer schraeder.’
    • ‘We had fiery carbide lamps, trusty tyre inner tubes and a reputation to look after.’
    1. 1.1 A large inflatable circular tube for riding on water or snow.
      ‘we cruised down the river on inner tubes’


inner tube

/ˈɪnər ˌt(j)ub//ˈinər ˌt(y)o͞ob/