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.

1865–70; < Neo-Latin Coccolithus originally a genus name; see coccus, -o-, -lith

coccolithic, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To coccolithic
World English Dictionary
coccolith (ˈkɒkəlɪθ)
any of the round calcareous plates in chalk formations: formed the outer layer of unicellular plankton
[C19: New Latin, from Greek kokkos berry + lithos stone]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Copyright © 2014, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature