Automotive Glossary
Automotive Glossary
Browse the glossary using this index
Special | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | ALL
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Potential DifferenceDifference of electric potential between points (pd) volts. | |
PotentiometerA variable resistor with manual operation that provides an output voltage from a sliding terminal on a resistor block. | |
Pounds FeetOld unit of torque. Also foot pounds. Torque is now given in the SI units of Newton metres Nm. | |
Powder CoatingsAny protective coating which is applied to the surface as a dry, finely ground powder and then carefully heated above its melting point so that the powder particles flow together to form a continuous film. | |
PowerThe rate of doing work. It is measured by the standard unit called the watt (W) and is equal to one joule per second. This is a very small unit and kilowatt (kW) or megawatt (MW) is more often used. Also, Horsepower which is the old term for power. | |
Power Assisted SteeringThe use of a hydraulic or electrical system to increase the driver's effort on the steering wheel thus reducing the effort that the driver has to apply. | |
Power BoosterHydraulic or pneumatic brake pedal or hydraulic pressure booster. | |
Power DistributionA central point from which various components are supplied. | |
Power OutputPower developed by an engine. | |