internal-combustion engine

Found in Anh - Anh (Wordnet)

Definition Noun : A type of heat engine where the fuel is burned ( combustion ) within a sealed chamber inside the engine itself. This internal burning creates high-pressure hot gases that expand directly to produce mechanical work, typically by moving a piston or spinning a turbine. Usage The internal-combustion engine revolutionized transportation in the 20th century. Most cars are powered by...