twin-turbo

adjective

twin-tur·​bo ˈtwin-ˈtər-(ˌ)bō 

of an engine

: having two turbochargers operating in parallel

The engine is a 3.2-liter twin-turbo V-8 pumping out 370 hp.

—Peter Robinson

twin turbo noun

or less commonly twin-turbo

BMW claims that this is the first in-line six-cylinder engine to use twin turbos, with precision fuel injection and variable-valve timing.

—Frank Aukofer

Word History

First Known Use

1945, in the meaning defined above