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单词 nummulite
释义 nummulite Zool.|ˈnʌmjʊlaɪt|
[f. L. nummul-us, dim. of nummus coin + -ite1 2.]
A genus of fossil foraminiferous cephalopods belonging to the order Polythalamia, found abundantly in the Tertiary strata; an individual of this genus.
1811Pinkerton Petral. I. 453 The nummulites, or porpites, occur in the limestone of Egypt and of France.1839Civil Eng. & Arch. Jrnl. II. 148/2 In the freshwater rocks of the Isle of Wight we find the nummulite.1868W. S. O. tr. Figuier's Ocean World iv. 79 The greater part of the Egyptian pyramids is only an aggregation of Nummulites.1884Leisure Hour Apr. 236/2 Immense numbers of disc⁓like shells of protozoa, the Nummulites.
attrib.1873Dawson Earth & Man x. 241 The Nummulite Limestone was undoubtedly oceanic.
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