(definition) by Webster 1913 Tue Dec 21 1999 at 23:06:39

Dis"co*lith (?), n. [Gr. a round plate + -lith.] 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

 

© Webster 1913.

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