devolution
noun [ U ] uk/ˌdiː.vəˈluː.ʃən/ us/ˌdiː.vəˈluː.ʃən/
（上级组织向下级组织或中央政府向地方政府的）放权，权力下放，责任移交
the moving of power or responsibility from a main organization to a lower level, or from a central government to a local government
The majority of people in the province are in favour of devolution. 该省大部分人赞同权力下放。