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.

Back

PSI

An initialism for 'Pounds per Square Inch', and is usually used measuring air pressure in some way--tire pressure, for example.



See Also:
Leasing
Lube Grease
Overhaul
Lube Job
Cotter Pin
Horsepower
Keyseat
Ohm

Diagnose Your Car's Problem

Engine won't start? Weird sound? Strange smoke? Got something going on with your car but not sure what it is? The easy to use DriverSide Diagnostic Tool is here to help you figure it out.



Enter Zip: