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.



This term is used in automotive circles referring to the mix of sulfuric acid and water that is found in the battery.

See Also:
Engine Computer
Spark Plug Gap
Positive Terminal
Carbon Tracks
Air Flow Sensor

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