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Synonyms

gearbox

American  
[geer-boks] / ˈgɪərˌbɒks /
Or gear box

noun

  • gearboxes
    plural
  1. a transmission, as in an automobile.

  2. a shield or housing for gears.


gearbox British  
/ ˈɡɪəˌbɒks /

noun

  1. the metal casing within which a train of gears is sealed

  2. this metal casing and its contents, esp in a motor vehicle

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of gearbox

First recorded in 1885–90; gear + box 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

When they returned it to Trade Centre UK two weeks later, they discovered it needed a new engine, clutch and gearbox.

From BBC ● Sep. 26, 2026

A suspected gearbox failure robbed him of well-deserved points.

From BBC ● Jul. 26, 2026

Norris was passed for the lead by team-mate Oscar Piastri at the start but the Australian later retired from the race with a gearbox failure.

From BBC ● Jul. 26, 2026

Then there was Canada, where he was ninth in both qualifying sessions, scored a point in the sprint, only to suffer a gearbox problem on the grid for the grand prix.

From BBC ● Jun. 23, 2026

He told me it was unlike any car on the market, and that new features of gearbox, ignition, and engine design would certainly stamp it a winner if no bad luck overtook him.

From The Man Who Drove the Car by Sir Max Pemberton

ZF, a supplier of gearboxes and other auto parts to carmakers such as BMW and Volkswagen, said the deal will help reduce debt and allow it to focus its resources on core technologies.

From The Wall Street Journal ● Dec. 23, 2025

The trend is accelerating: In the second quarter of 2025, imports of manual gearboxes from China rose almost threefold, according to the German Economic Institute think tank.

From The Wall Street Journal ● Dec. 15, 2025

Mercedes' revenue comes from sponsorship and licensing, F1 prize money and other revenues from inside the sport - for example selling gearboxes to Williams and Aston Martin.

From BBC ● Nov. 20, 2025

The AA says the trend is being driven by the UK's ban on the sale of new petrol and diesel cars coming in 2030, as elecric cars do not have manual gearboxes.

From BBC ● Oct. 24, 2025

Electric vehicles have far fewer parts than gasoline cars — no radiators, exhaust pipes, fuel tanks, fan belts or complicated gearboxes.

From New York Times ● Apr. 9, 2024

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