Hub
/hʌb/
Definitions
3 meaningsThe central part of a wheel, a propeller, or a rotating mechanism.
/hʌb/
The central part of a wheel.
The hub of the Ferris wheel creaked as it rotated.
💡 Simply: Imagine a bicycle wheel. The hub is the round part in the middle where the spokes connect. It's the heart of the wheel, letting it spin around and around. In other words, it's the middle part of something that turns.
👶 For kids: The middle part of a wheel that helps it go round.
More Examples
The hub of the propeller was damaged in the crash.
How It's Used
"The hub connects the wheel to the axle, allowing it to rotate."
"The mechanic tightened the lug nuts on the car's wheel hub."
A central point or center of activity, a focus.
/hʌb/
A central point of activity.
The city's central library is a hub for community events.
💡 Simply: Think of a busy airport or a central train station where everyone goes to get to different places. That's a hub! It's the place where everything comes together or where a lot of action happens.
👶 For kids: A place where lots of things happen or where people meet.
More Examples
The university is a hub for research and learning.
How It's Used
"Chicago is a major transportation hub."
"The new office building is a hub for innovation and collaboration."
A device that connects several other devices or pieces of equipment.
/hʌb/
A device connecting other devices.
The network hub connected all the computers in the office.
💡 Simply: Imagine you have a bunch of computers that all want to talk to each other. A hub is like a telephone switchboard for those computers, connecting them all together so they can share information. It lets everything talk to each other!
👶 For kids: A special box that helps computers talk to each other.
More Examples
The new hub increased the internet speed.
How It's Used
"Connect all your devices to the network hub."
"The hub allows computers to share files and access the internet."
Idioms & expressions
hub-and-spoke
Referring to a system where everything radiates from a central hub.
"The airline operates a hub-and-spoke system, with major airports acting as hubs."
From Middle Dutch *hubbe*, related to *hoof*. Originally referring to the central part of a wheel. Its application to a central point or node of connection in various systems evolved later.
The term originally referred to the central part of a wheel. Its meaning expanded to encompass the central point in various systems.
Memory tip
Think of the central point around which everything else revolves, just like the hub of a wheel.
Word Origin
"central part"