adstratum 🔊 Listen to this < /ˈædˌstreɪ tə, -ˌstræt ə/. Historical Linguistics. a substratum or superstratum. What is ADSTRATUM? What does ADSTRATUM mean? ADSTRATUM meaning, definition & explanation Areal linguistics Pasifika English in New Zealand Allan Bell & Andy Gibson Institute adstratum (Lawrence Chen) · GitHub Adstratum on Wikinow | News, Videos & Facts Adstratum on Wikinow | News, Videos & Facts Share Facebook Twitter Google +