Definition of adstratum in English:

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Pronunciation: /ˈadstrɑːtəm/
Pronunciation: /adˈstrɑːtəm/

noun (plural adstrata)

A language or group of elements within it that is responsible for changes in a neighbouring language.
Example sentences
  • Romanian has many adstrata of linguistical accretions, but no one so far knows just how deep is the substratum.
  • Such word-pairs suggest an adstratum of borrowings.
  • I conclude with the remark that traceable East Baltic influence on West Baltic involves not diglossia, but merely adstrata and substrata.



Example sentences
  • 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.


1930s: modern Latin, from Latin ad 'to' + stratum 'something laid down'.

For editors and proofreaders

Line breaks: ad|stra¦tum

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