( n. )
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 / of an inch in its longest diameter.
( n. )
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 / of an inch in its longest diameter.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012