preignitions
/priːɪɡˈnɪʃənz/
noun
- The plural form of preignition; instances of premature ignition of fuel in an internal combustion engine, occurring before the spark plug fires.
- The mechanic warned that frequent preignitions could damage the engine pistons.
- Racing engines are especially prone to preignitions under high stress and heat.
- Modern cars have sensors that detect preignitions and adjust the timing automatically.
Synonyms