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nummulite

[nuhm-yuh-lahyt] /ˈnʌm yəˌlaɪt/
noun
1.
a fossil foraminifer of the genus Camerina (Nummulites), having a calcareous, usually disklike shell.
Origin
1805-1815
1805-15; nummul(ar) + -ite1
Related forms
nummulitic
[nuhm-yuh-lit-ik] /ˌnʌm yəˈlɪt ɪk/ (Show IPA),
adjective
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for nummulitic

nummulite

/ˈnʌmjʊˌlaɪt/
noun
1.
any of various large fossil protozoans of the family Nummulitidae, common in Tertiary times: phylum Foraminifera (foraminifers)
Derived Forms
nummulitic (ˌnʌmjʊˈlɪtɪk) adjective
Word Origin
C19: from New Latin Nummulites genus name, from Latin nummulus, from nummus coin
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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Encyclopedia Article for nummulitic

nummulite

any of the thousands of extinct species of relatively large, lens-shaped foraminifers (single-celled marine organisms) that were abundant during the Tertiary Period (66.4 to 1.6 million years ago). Nummulites were particularly prominent during the Eocene Epoch (57.8 to 36.6 million years ago), and limestone of this age that occurs in the Sahara is called nummulite limestone in reference to the great abundance of its contained fossil nummulites.

Learn more about nummulite with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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