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nummulite

[nuhm-yuh-lahyt]
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noun
  1. a fossil foraminifer of the genus Camerina (Nummulites), having a calcareous, usually disklike shell.
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Origin of nummulite

First recorded in 1805–15; nummul(ar) + -ite1
Related formsnum·mu·lit·ic [nuhm-yuh-lit-ik] /ˌnʌm yəˈlɪt ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for nummulite

Historical Examples

  • The nummulite limestone was undoubtedly oceanic, and the other shells contained in it are marine species.

    The Story of the Earth and Man

    J. W. Dawson

  • The Eocene includes a series of sandstones and marls with lignite, and these are overlaid by nummulite limestones.


British Dictionary definitions for nummulite

nummulite

noun
  1. any of various large fossil protozoans of the family Nummulitidae, common in Tertiary times: phylum Foraminifera (foraminifers)
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Derived Formsnummulitic (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