ADSTRATUM
Meaning of ADSTRATUM in English
/ad"stray'teuhm, -strat'euhm/ , n. , pl. adstrata /-stray'teuh, -strat'euh/ . Historical Ling.
a substratum or superstratum.
[ AD- + STRATUM ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012