Simple Definition of diesel engine
: a type of engine that uses diesel fuel rather than gasoline and that is used especially in large vehicles (such as trucks and buses)
Full Definition of diesel engine
: an internal combustion engine in which air is compressed to a temperature sufficiently high to ignite fuel injected into the cylinder where the combustion and expansion actuate a piston
First Known Use of diesel engine
DIESEL ENGINE Defined for Kids
Definition of diesel engine
: an engine in which the mixture of air and fuel is compressed until enough heat is created to ignite the mixture that uses diesel fuel instead of gasoline
Learn More about diesel engine
Britannica.com: Encyclopedia article about "diesel engine"
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