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单词 orbitolite
释义

orbitoliten.

Brit. /ɔːˈbɪtəlʌɪt/, /ɔːˈbɪtl̩ʌɪt/, U.S. /ɔrˈbɪdəˌlaɪt/
Origin: A borrowing from Latin. Etymon: Latin Orbitolites.
Etymology: In sense 1 < scientific Latin Orbitolites, genus name ( Lamarck Syst. des animaux sans vertèbres (1801) 376 ) < classical Latin orbita orbit n. + ancient Greek λίθος stone (see -lite comb. form1). In sense 2 < scientific Latin Orbitolites, genus name (C. E. Eichwald 1829 as Orbitulites).
Palaeontology. Now rare.
1. A fossil foraminiferan of the genus Orbitolites, having a discoid shell.
ΘΚΠ
the world > animals > invertebrates > protozoa > class Sarcodina > order Rhizopoda > [noun] > suborder Foraminifera > member of > fossil of genus Orbitolites
orbitolite1849
orbitoline1883
1849 R. I. Murchison in Q. Jrnl. Geol. Soc. 5 i. 192 The Orbitolites..occupy beds of considerable thickness.
1855 Proc. Royal Soc. 7 418 The Orbitolite has been chiefly known..through the abundance of its fossil remains in the Eocene beds of the Paris basin.
1879 Encycl. Brit. IX. 376/2 In the typical Orbitolite the plan of growth is cyclical from the first.
1928 Proc. Royal Soc. 1927–8 B. 102 p. iv Other papers dealing with the phenomena of dimorphism in Orbitolites, Triloculina, Biloculina, and the Nummulites were published.
2. A fossil coral of the genus Chaetites (formerly Orbitolites). Obsolete. rare.Apparently only attested in dictionaries or glossaries.
ΚΠ
1890 Cent. Dict. Orbitolite 2, a fossil coral of the genus Orbitolites.
This entry has been updated (OED Third Edition, September 2004; most recently modified version published online March 2022).
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n.1849
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