turbocharger
🇺🇸
/ˈtɜːrbəʊtʃɑːrdʒər/
🇬🇧
/ˈtɜːbəʊtʃɑːdʒə(r)/
A device that uses an engine's exhaust to force more air into the engine, making it more powerful.
The car's performance improved significantly after the addition of a turbocharger.