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coccolith

[ kok-uh-lith ]
/ ˈkɒk əˌlɪθ /
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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.
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THINGAMABOB OR THINGUMMY: CAN YOU DISTINGUISH BETWEEN THE US AND UK TERMS IN THIS QUIZ?
Do you know the difference between everyday US and UK terminology? Test yourself with this quiz on words that differ across the Atlantic.
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In the UK, COTTON CANDY is more commonly known as…

Origin of coccolith

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

OTHER WORDS FROM coccolith

coc·co·lith·ic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for coccolith

coccolith
/ (ˈkɒkəlɪθ) /

noun
any of the round calcareous plates in chalk formations: formed the outer layer of unicellular plankton

Word Origin for coccolith

C19: 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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