Glossary of Auto Terms

DriverSide's Car Dictionary has the most comprehensive definitions of automotive terms. This auto glossary can help you decipher what your mechanic is fixing and what the purpose or function of the particular auto part or accessory is for. We have taken the mystery out of automotive service jargon, so that you don't have to.

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Compression

The squeezing of the air/fuel mixture by the upward movement of the piston (in the cylinder).



See Also:
Rear Axle Ratio
Front-Wheel Drive
Cylinder Head
Passing Gear
Gearbox
Bands
Differential
Rocker Arms

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