deregionalize
verbEtymology From de- + regionalize.
1
To change something so that it is no longer regionally divided.
2
To remove the regional (local) characteristics of something.
- Eugenics was the crucial vehicle for nationalizing and deregionalizing the stigmatypes of southern poor white trash. Previous chapters in this book aimed to track how particular words and phrases […] described, portrayed, and ultimately constructed poor white trash as a stigmatized and despised social group in the South […] However, there is little evidence before the end of Reconstruction that poor white trash was considered to be a problem social group that the nation as a whole needed to address for its safety and welfare.2006, Matt Wray, Not Quite White, page 95: