also rust belt
In the United States and some other countries, the Rust Belt is a region which used to have a lot of manufacturing industry, but whose economy is now in difficulty.
...in the rust belt of the mid-west.
N-SING : the N
RUST BELT
Meaning of RUST BELT in English
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006