bidialectalism
/ˌbaɪdaɪəˈlɛktəˌlɪzəm/
noun
- The ability or practice of using two different dialects of the same language.
- Teachers sometimes encourage bidialectalism so students can use both a local dialect and standard language.
- His bidialectalism helped him communicate easily with people from different parts of the country.
- Bidialectalism is common in countries with strong regional dialects.