[ nuhm-yuh-lahyt ]
/ ˈnʌm yəˌlaɪt /


a fossil foraminifer of the genus Camerina (Nummulites), having a calcareous, usually disklike shell.

Origin of nummulite

First recorded in 1805–15; nummul(ar) + -ite1

Related forms

num·mu·lit·ic [nuhm-yuh-lit-ik] /ˌnʌm yəˈlɪt ɪk/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for nummulite

British Dictionary definitions for nummulite


/ (ˈnʌmjʊˌlaɪt) /


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

Derived Forms

nummulitic (ˌnʌmjʊˈlɪtɪk), adjective

Word Origin for nummulite

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