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rust belt

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noun (sometimes initial capital letters)
  1. the heavily industrial area of the northeastern U.S. containing the older industries and factories.

Origin of rust belt

First recorded in 1980–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for rust belt

rust belt

noun
  1. an area where heavy industry is in decline, esp in the Midwest of the US
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012