For Hub we have terms and definitions in 16 topics. The topics are Bicycles, Coin Collecting, Computer Technology, E-Business, E-Learning, Lighting, Linux, Red Hat, Natural Gas, Roofing, Slot Car Drag Racing, Storage Media, Technology, Tires, Travel, Video Conferencing and Wind Energy.

Hub (Bicycles)

Middle part of a wheel that attaches to spokes and can include a brake.

Hub (Coin Collecting)

Minting term for the steel device that is used to produce a die.

Hub (Computer Technology)

A hub is a component that provides a common connection among computers in a network. It is the central component in some server-based networks. A hub allows computers of different types to all communicate together. Most hubs are active in that they regenerate and retransmit signals. This type of hub is referred to as an "active hub" and it requires electrical power to run. A "passive hub" can be a wiring panel or punch-down block. Passive hubs simply organize the wiring. They do not amplify or regenerate the signal. The signal passes through the passive hub. Passive hubs do not require electrical power to run. A "hybrid hub" is one that will accommodate several different types of cables. Usually these include one main hub connected to several secondary hubs that then connect to computers. A break in any of the cables attached to a hub affects only that segment. The rest of the network keeps functioning. See also "Server-Based Network".

Hub (E-Business)

An electronic marketplace facilitating e commerce by aggregating buyers and sellers and acting as the transaction intermediary.

Hub (E-Learning)

A network device that connects communication lines together.

Hub (Lighting)

On a ceiling fan, another name for “Switch Housing.”

Hub (Linux, Red Hat)

Central connectivity device for resources on a network. Computer systems, servers, network storage, printers, and more connect to hubs to communicate with each other. A switch and a router are two types of hubs.

Hub (Natural Gas)

A market or supply area pooling/delivery where gas supply transaction point occur that serve to facilitate the movement of gas between and among interstate pipelines. Transactions can include a change in title, a change in transporter, or other similar items.

Hub (Roofing)

In plumbing, the enlarged end of a pipe which is made to provide a connection into which the end of the joining pipe will fit.

Hub (Slot Car Drag Racing)

The axle attachment point of a gear or wheel, through which the setscrew is tightened to the axle

Hub (Storage Media)

A device that splits one network cable into a set of separate cables, each connecting to a different computer. Used in a local area network to create a small-scale network by connecting several computers together.

Hub (Technology)

In a network, a device joining communication lines at a central location, providing a common connection to all devices on the network. The term is an analogy to the hub of a wheel. See also active hub, switching hub.

Hub (Tires)

The base having studs protruding from its face upon which the wheel is mounted to the vehicle.

Hub (Travel)

Airport at which an airline has major operations and connecting flights to smaller destinations.

Hub (Video Conferencing)

Hub is a place of convergence where data arrives from one or more directions and is forwarded out in one or more other directions.

Hub (Wind Energy)

The center of a wind generator rotor, which holds the blades in place and attaches to the shaft.

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