gearbox
SayGEER-boks/ˈɡɪɹˌbɑks/UK/ˈɡɪəbɒks/
Pluralgearboxes
- 1The part of a car that holds the gears and is controlled by the gearshift.
Like a box of different-sized toothed wheels that work together to make the car go faster or slower.
My dad fixed the gearbox so the car changes gears smoothly now.
The gearbox lets the driver pick a lower gear when going up a steep hill.
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Note
- 2A closed box that holds a set of connected gears turning together.
Like a closed box where small toothed wheels turn each other to pass power along.
The robot's small gearbox makes its arm move slowly but with great force.
A gearbox keeps its gears clean and oiled inside a sealed case.
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Practice
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Origin
It comes from putting together the two words "gear" and "box".