A diesel engine is an internal combustion engine in which oil is burnt by very hot air. Diesel engines are used in buses and trucks, and in some trains and cars.
diesel engine in British English
or diesel motor
noun
a type of internal-combustion engine in which atomized fuel oil is sprayed into the cylinder and ignited by compression alone
Examples of 'diesel engine' in a sentence
diesel engine
Diesel engines consume less fuel and so produce less CO2.
Times, Sunday Times (2016)
Another will study the way fuel burns in diesel engines spinning thousands of times a minute, to find ways of boosting efficiency.
Times, Sunday Times (2012)
A diesel engine burns less fuel, but that fuel is more expensive.
Times, Sunday Times (2014)
In other languages
diesel engine
British English: diesel engine NOUN
A diesel engine is an internal combustion engine in which oil is burnt by very hot air.