Geology. Name given to a geological formation or ‘system’ of rocks lying below the Carboniferous and above the Silurian formations; hence, of or…
单词 | θ5412 |
释义 | the world > the earth > structure of the earth > age or period > [adjective] > primary or Palaeozoic > Devonian (8) Devonian1837 Geology. Name given to a geological formation or ‘system’ of rocks lying below the Carboniferous and above the Silurian formations; hence, of or… Erian1873 A synonym of Devonian, adj.: see quots. Devonic1876 = Devonian, adj. 2. Subcategories:— specific period (5) |
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