internal combustion engine

Translations
двигатель внутреннего сгорания
Most cars are powered by an internal combustion engine.
Большинство автомобилей оснащены двигателем внутреннего сгорания.
Definitions
An internal combustion engine is a type of engine that generates power by burning fuel within a combustion chamber, where the combustion process occurs internally, producing hot gases that expand and drive a piston or turbine to create mechanical work.
Words
internal

adjective
внутренний
combustion

noun
сгорание
engine

noun
двигатель