noun
- plural of precombustion; preliminary or partial burning that occurs before the main combustion process in an engine or furnace
Usage: technical; engineering
Examples
- The diesel engine uses precombustions in the prechamber to improve ignition.
- Engineers studied precombustions to reduce emissions in the combustion chamber.
- Multiple precombustions occur during the fuel injection cycle.
- The design minimizes precombustions to maximize fuel efficiency.