Definition of adstrate in English:

adstrate

Pronunciation /ˈadˌstrāt/

adjective

Linguistics

See adstratum

‘Even in those languages that are not contact-based special contact varieties can be observed through the influence of an adstrate or a substrate language.’
  • ‘This provides a rationale for a hypothesis respecting adstrate development in the area.’
  • ‘A possible influence of the substrate and adstrate Finno-Ugric languages formerly spoken in the area has been suggested by Western scholars, but in Russian dialectology it seems to be excluded a priori, except in a few studies.’