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单词 triassic
释义

Triassicadj.

Brit. /trʌɪˈasɪk/, U.S. /traɪˈæsɪk/
Etymology: < trias n. + -ic suffix.
Geology.
Of or belonging to the Trias; Triassic system = trias n. 2.
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the world > the earth > structure of the earth > age or period > [adjective] > secondary or Mesozoic > Triassic
Triassic1841
Norian1871
Carnic1897
Carnian1948
the world > the earth > structure of the earth > age or period > stratigraphic units > [adjective] > secondary or Mesozoic > Triassic
poikilitic1832
Triassic1841
Rhaetic1861
Rhaetian1875
1841 Sir P. G. Egerton in Proc. Geol. Soc. (1842) 3 (title) A Notice on the Occurrence of Triassic Fishes in British Strata.
1868 C. Lyell Princ. Geol. (ed. 10) II. iii. xlix. 592 A long narrow island..composed partly of granite and partly of triassic sandstone.
1889 Hardwicke's Sci.-gossip 25 122/2 The Triassic and Permian formations show a time of ‘great physical disturbance,..volcanic eruptions discharging vast beds..of lava and layers of volcanic ash’.
This entry has not yet been fully updated (first published 1914; most recently modified version published online March 2022).
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adj.1841
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