Definition, Meaning & Synonyms
rotor-arm
noun
/ˈroʊ.tər.ɑːrm/
Definition
A rotor-arm is a component of an engine’s ignition system that distributes the electrical spark to the appropriate cylinder.
Examples
- The mechanic replaced the faulty rotor-arm to improve engine performance.
- During the service, they found that the rotor-arm was worn out.
- A malfunctioning rotor-arm can cause misfiring in the engine.
Meaning
The rotor-arm helps ensure that the vehicle’s engine functions efficiently by directing the spark to the right place at the right time.
Synonyms
- ignition rotor
- distributor rotor
- spark distributor