nDiscolith(Biol) One of a species of coccoliths, having an oval discoidal body, with a thick strongly refracting rim, and a thinner central portion. One of them measures about 1/50000 of an inch in its longest diameter.
Century Dictionary and Cyclopedia
ndiscolithA calcareous body with an organic structure found embedded in bathybius.
ndiscolithA disk-shaped coccolith convex on one side and concave on the other.