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

Page: (Previous)   1  2  3  4  5  6  7  8  9  10  ...  23  (Next)



At ninety degrees to another plane or line.
Entry link: Perpendicular


Volatile hydrocarbon fuel for spark ignition engines. Also gasoline.
Entry link: Petrol

Petroleum Jelly

A type of grease used for battery terminals. Vaseline is a refined version.
Entry link: Petroleum Jelly


The German word for horsepower. Pferdestärke. 1PS equals 0.986bhp.
Entry link: Pferdestärke


Port Fuel Injection.
Entry link: PFI


Pulse Generator.
Entry link: PG

PH value

A measure of the acidity of a substance in an aqueous solution. Pure water has a pH value of 7 and is classified as neutral. Below 7 is acid and above 7 is known as basic. The scale is from 0 (strong acid) to 14 (strong base).
Entry link: PH value


The time span between the start and end of a single wave moving from zero to positive and negative positions and returning to zero.
Entry link: Phase

Phase Sensor

Sensor that indicates camshaft position and hence where the engine is in its cycle.
Entry link: Phase Sensor

Phasing (diesel injection)

There are a number of phases of injection: fill phase, spill phase, injection phase and the pressure reduction phase.
Entry link: Phasing (diesel injection)

Page: (Previous)   1  2  3  4  5  6  7  8  9  10  ...  23  (Next)