Definition of adstratal in English:

adstratal

adjective

Linguistics
  • Of, relating to, or forming an adstratum.

Origin

1960s. From either adstrate or adstratum + -al, after substratal.

Pronunciation:

adstratal

/ˈadˌstrɑːtl//ˈadˌstreɪtl//ˌadˈstrɑːtl/