The process where fuel is burned within an engine such as a diesel engine, producing power directly as opposed to externally such as in a steam engine.

A piston or a rotary heat engine directly powered by the products of intermittent combustion of a fuel.

Alternative form of internal combustion engine

plural of internal combustion engine

plural of internal-combustion engine

Having an internal combustion engine.

Alternative form of internal combustion engined

Alternative form of internal combustion engined