/un"deuhr stray'teuhm, -strat'euhm/ , n. , pl. understrata /-stray'teuh, -strat'euh/ , understratums .
a substratum.
[ 1725-35; UNDER- + STRATUM ]
/un"deuhr stray'teuhm, -strat'euhm/ , n. , pl. understrata /-stray'teuh, -strat'euh/ , understratums .
a substratum.
[ 1725-35; UNDER- + STRATUM ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012