Word Study
nummulite
CIDE DICTIONARY
nummulite, n. [L. nummus a coin + -lite: cf. F. nummulite.].
A fossil of the genus Nummulites and allied genera. [1913 Webster]
OXFORD DICTIONARY
nummulite, n. a disc-shaped fossil shell of a foraminiferous protozoan found in Tertiary strata.
Etymology
L nummulus dimin. of nummus coin
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