Definition of gearbox in English:

gearbox

Syllabification: gear·box
Pronunciation: /ˈɡirˌbäks
 
/

noun

A set of gears with its casing, especially in a motor vehicle; the transmission.
More example sentences
  • Effectively the gearbox engages the next highest gear but does not activate it until the optimum point has been reached.
  • These are available with either five or six-speed manual gearboxes with an optional six-speed tiptronic automatic transmission.
  • The manual gearbox has a tendency to be notchy and the auto gearbox doesn't change particularly smoothly.

Definition of gearbox in:

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Pronunciation: ˌintərˈnesēn
adjective
destructive to both sides in a conflict