a calcareous deposit occurring upon ocean beds and consisting mainly of the shells of dead foraminifers, esp. globigerina.
[ 1875-80 ]
a calcareous deposit occurring upon ocean beds and consisting mainly of the shells of dead foraminifers, esp. globigerina.
[ 1875-80 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012