internal combustion engine

== English == === Pronunciation === === Noun === internal combustion engine (plural internal combustion engines) A piston or a rotary heat engine directly powered by the products of intermittent combustion of a fuel. A heat engine in which intermittent or the continuous burning of a fuel takes place inside a combustion chamber; the resulting pressurized gas acts directly on the engine to do useful work, such as a piston engine, gas turbine, jet engine or rocket. ==== Derived terms ==== ==== Related terms ==== internal combustion ==== Translations ==== === References === === Further reading === internal combustion engine on Wikipedia.Wikipedia