Meaning of hub in English:

hub

noun

  • 1The central part of a wheel, rotating on or with the axle, and from which the spokes radiate.

    • ‘Remove your wheels, and wipe them down, since the dirt gets lodged in the little nooks and crannies of the wheel hubs and spokes.’
    • ‘Instead, a few species are like hubs, with spokes radiating out to the other species.’
    • ‘Now we are keeping that going, and working on some other parts that are new to us - pedals, cranks, hubs and wheels.’
    • ‘Dirt roads also eat the magnets, which activate the trailer brakes in the hubs of the trailer axle.’
    • ‘We stop to flip up our windshield, free the front axle hubs, and shift to high-range.’
    • ‘Ventilation is often achieved by using wheel hubs from clapped-out vehicles as protective grilles.’
    • ‘The legs of the standard are apart sufficiently to take the outer end of the wheel hub, as shown.’
    • ‘There is a farmer's tip/bonfire of burnt plastic, wool, stock mark spray, and wheel hubs.’
    • ‘Eventually though, I end up with shredded hubs, broken spokes and cracked rims.’
    • ‘Rocker arms and clutch hubs are examples of automotive production parts that are surface hardened by induction.’
    • ‘The barrel of the cannon passed through the reduction gearbox and the propeller hub.’
    • ‘Close inspection showed a catastrophic failure of two of the main wheel hub bolts.’
    • ‘Key components, including the rotor blades, gearboxes and rotor hubs, will be built at the company's British base.’
    • ‘The front wheel doubles as a paddle wheel and has no hub but instead tracks along its rim.’
    • ‘With a great leap, he landed on the hub of the wheel and grabbed the flapping reins.’
    • ‘What is the durability data for ceramic bearings in bicycle hubs?’
    • ‘In all cases these wheels appear to be solid wooden discs with a thickened hub.’
    • ‘The hub of the wheel is also the largest single steel casting ever made.’
    • ‘The amount of power dissipated in even a standard steel ball bearing hub is quite small.’
    • ‘If we do, there is the danger that the hub nuts will come off and then the wheels drop off.’
    pivot, axis, fulcrum, centre, centre point
    View synonyms
  • 2The effective centre of an activity, region, or network.

    ‘the city has always been the financial hub of the country’
    ‘the kitchen was the hub of family life’
    • ‘Clubs need to be innovative, family friendly and at the hub of local activity.’
    • ‘He said that he expected that the region would become an international hub of tourism.’
    • ‘For centuries this quaint location has been a hub of activity; that of natural forces and that of man.’
    • ‘The Government High School becomes a hub of activities on Saturday and Sunday evenings.’
    • ‘He said Thailand simply attracted a lot of tourists because of its position as a hub of the region.’
    • ‘The way is now clear to increase car-parking and make the centre the hub of Carlow town.’
    • ‘Today, the area around the vast pond is the hub of commercial activity in the city.’
    • ‘The ground floor is the hub of the activity as it is the main banking hall.’
    • ‘They were the hubs around which the wheels of the villages revolved.’
    • ‘Using this method an eight-wire connection runs from each machine to a central hub.’
    • ‘It serves to provide a central hub for documents and information related to biodiversity.’
    • ‘The cable was one of the main links between Croydon and Telehouse, the telecoms hub in central London.’
    • ‘Traffic was halted in business hubs in the central, southern and northern parts of the city.’
    • ‘Even as she got older and became physically less able, she was still as sharp as a button and the central hub for all of us.’
    • ‘Services can go out from a central hub, to the communities needing them, when they need them.’
    • ‘We should find more hubs and semi - hubs in the discussions forums network then at other networks.’
    • ‘The prosecution had opened the case that the defendants were at the hub and that others were the spokes of the conspiracy.’
    • ‘Leipzig was one of the earliest book publishing hubs in both Germany and Central Europe.’
    • ‘This playgroup also acts a central social hub for mothers to make contact, share problems and ideas.’
    centre, centre of activity, core, heart, focus, focal point, middle, nucleus, kernel, nerve centre
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    1. 2.1A central airport or other transport facility from which many services operate.
      ‘the airport authority's policy promotes Manchester as an international hub’
      ‘the city's major transportation hub for bus and rail’
      as modifier ‘major hub airports have grown up all over the world’
      • ‘Air-Scotland's plans to develop a hub in Scotland require considerable investment.’
      • ‘We look forward to developing another hub that would service our island.’
      • ‘Until their CEO climbed into the cockpit in 1997, Air France had done little to develop its Paris hub.’
      • ‘Australia needs to develop a northern aviation hub to capitalise on regional tourism and transport opportunities.’
      • ‘Another transit hub, Sunny Bay Station in Hong Kong, takes advantage of sea breezes to cool the building.’
      • ‘This is one of the nation's busiest transit hubs.’
      • ‘We're a neighborhood restaurant that draws from all over the city because we're directly across the street from the public transit hub.’
      • ‘But, increasingly, even the staunchest environmentalists are advocating plans to build up cities near transit hubs in order to curb sprawl and limit emissions of greenhouse gases.’
      • ‘Meanwhile, flood waters trapped commuters at City Gate, since the roads into the transit hub remained impassable for hours even after the rains had stopped.’
      • ‘Circular Quay is the transportation hub of Sydney Harbour.’
      • ‘Plymouth is a transportation hub for the South West of England.’
      • ‘The transportation hub is financed chiefly with a $1.9 billion grant from the federal agency.’
      • ‘The study urges communities to concentrate growth around urban and town centers and transportation hubs, a policy known as smart growth.’
      • ‘Johannesburg's transport hub is in the inner city: about 800,000 commuters pass through it every day.’
      • ‘The creation of a modern accessible transport hub is an essential part of the overall redevelopment of Sheffield city centre.’
      • ‘The quayside location is convenient to a range of city centre employment and transport hubs, with Tara Street and Barrow Street Dart stations located nearby.’
      • ‘At present, London is the world's chief aviation hub.’
      • ‘All flights, including domestic, charter and cargo, will shift to the new airport, which will play a major role in boosting the role of Thailand as a regional aviation hub.’
      • ‘The carriers were accused of fixing prices on fares through 34 hub airports.’
      • ‘Historically, major hub airports have grown up all over the world on the back of airlines which were dominant national flag carriers.’

Phrases

    hub-and-spoke
    • Denoting a system of air transportation in which local airports offer flights to a central airport where international or long-distance flights are available.

      • ‘Further giving this concept fuel is the current state of the airlines, including the inefficient hub-and-spoke system, flight delays and intrusive airport security, not to mention service, or lack thereof, once aboard the airliner.’
      • ‘‘The hub-and-spoke system is inherently more expensive to run than point-to-point,’ explained Jack Stephan, spokesman for the Air Line Pilots Association.’
      • ‘The highly centralized hub-and-spoke system - centralized for the airlines, not us - now regularly bifurcates and often trifurcates even an hour's flight time as the crow flies into a four-hour series of legs.’
      • ‘Since the airlines created today's hub-and-spoke systems in the 1980s, fares have plummeted - but so has the effective speed of air travel, especially for trips that begin or end at spoke airports.’
      • ‘Using a central clearinghouse, along with a hub-and-spoke system of dissemination, enabled us to deliver, point-to-point, anywhere in the United States - absolutely, positively overnight.’
      • ‘Today, planes fly to 500 places in the hub-and-spoke system, and unless a passenger is going from one major city to another, he may have to change plans or endure long layovers.’
      • ‘Whoever controls this hub-and-spoke system will have the power to sell a whole family of gadgets to consumers.’
      • ‘For example, the hub-and-spoke system, which funnels passengers from smaller cities to major ones, was embraced by most big airlines after deregulation.’
      • ‘But hub-and-spoke systems are enormously expensive to run.’
      • ‘You're credited with being a pioneer of the hub-and-spoke system.’

Origin

Early 16th century (denoting a shelf at the side of a fireplace used for heating pans): of unknown origin (compare with hob).

Pronunciation

hub

/hʌb/