turbocharger
/ˈtɜrboʊˌtʃɑrdʒər/
noun
- A device that forces extra air into an engine to make it more powerful.
- A turbocharger uses exhaust gases to spin a turbine.
- Many modern cars come with a turbocharger for better fuel economy.
- The mechanic installed a new turbocharger to improve the car's performance.