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单词 palaeogean
释义

palaeogeanpaleogeanadj.

Brit. /ˌpaliːə(ʊ)ˈdʒiːən/, /ˌpeɪliːə(ʊ)ˈdʒiːən/, U.S. /ˈˌpeɪlioʊˈdʒiən/
Forms: 1800s– palaeogean, 1900s– palaeogaean, 1900s– paleogean (chiefly North American).
Origin: A borrowing from Greek, combined with English elements. Etymons: palaeo- comb. form, Greek γαῖα , γῆ , -an suffix.
Etymology: < palaeo- comb. form + ancient Greek γαῖα, γῆ the earth (see geo- comb. form) + -an suffix. Perhaps compare hypogean adj.
1. Biology. Of or relating to the Old World or Eastern hemisphere considered as a biogeographical region.
ΘΚΠ
the world > the earth > region of the earth > zone or belt > [adjective] > biogeographical
Hudsonian1835
Nearctic1858
neotropical1858
Palaearctic1858
palaeogean1858
palaeotropical1858
tropicopolitan1858
subregional1870
neotropic1877
Notogaean1879
Indogaean1885
Ornithogaean1890
Pontic1891
Notogaeic1896
ecogeographical1939
ecogeographic1951
1858 P. L. Sclater in Jrnl. Linn. Soc.: Zool. 2 135 Africa, north of the Atlas, Europe and Northern Asia, to form one primary Zoological division of the earth's surface, for which the name Palæarctic or Northern Palæogean Region would be best applicable.
1897 Geogr. Jrnl. 9 73 The Humid Subregion..differs from the North Temperate chiefly in the non-existence of the numerous northern Palæogean types found there.
1990 Invertebr. Taxon. 4 397 The known palaeogean species of Eurhopalothrix thus now total 24, including those previously described from Melanesia, Australia and Polynesia.
2. Of or relating to the earth in the remote or geological past. Now rare.
ΚΠ
1865 D. Page Handbk. Geol. Terms (ed. 2) 347 Palæogean, belonging to the former conditions of the earth's surface as revealed by geology, as distinct from the existing terraqueous aspects as described by geography.
1936 Astounding Stories June 129/1 Of Earthly minds there were some from the winged, star-headed, half-vegetable race of Paleogean Antarctica.
This entry has been updated (OED Third Edition, March 2005; most recently modified version published online March 2022).
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adj.1858
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