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coccolith
[ kok-uh-lith ]
noun
- a microscopic calcareous disk or ring making up part of the covering of certain marine plankton and forming much of the content of chalk rocks.
coccolith
/ ˈkɒkəlɪθ /
noun
- any of the round calcareous plates in chalk formations: formed the outer layer of unicellular plankton
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Other Words From
- cocco·lithic adjective
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Word History and Origins
Origin of coccolith1
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Word History and Origins
Origin of coccolith1
C19: New Latin, from Greek kokkos berry + lithos stone
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