coccolith

English

Etymology 1

Derived from coccolithophore. By surface analysis, Ancient Greek κόκκος (kókkos, grain, seed) +‎ Ancient Greek λίθος (líthos, stone), due to the shape of the organism's exoskeleton.

Noun

coccolith (plural coccoliths)

  1. (biology) A microscopic skeletal plate of calcite on the surface of certain marine phytoplankton; it forms chalk and limestone when fossilized
Derived terms

Etymology 2

From Ancient Greek κόκκος (kókkos, kernel) +‎ -lith.

Noun

coccolith (plural coccoliths)

  1. (mineralogy) Alternative form of coccolite (diopside).