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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Hydrometer

A device for measuring the freeze protection of engine coolant and also the specific gravity of battery electrolyte.



See Also:
Air Flow Sensor
Spark Advance
Negative Terminal
Ground
Electrolyte
Spark Knock
Electronic Ignition
Spark Plug Cable

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