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.
Origin of coccolith
1Other words from coccolith
- coc·co·lith·ic, adjective
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British Dictionary definitions for coccolith
coccolith
/ (ˈkɒkəlɪθ) /
noun
any of the round calcareous plates in chalk formations: formed the outer layer of unicellular plankton
Origin of coccolith
1C19: New Latin, from Greek kokkos berry + lithos stone
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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