单词 | devonian |
释义 | Devonianadj.n. 1. a. Of or belonging to Devonshire. ΚΠ 1612 M. Drayton Poly-olbion i. 7 Easely ambling downe through the Deuonian dales. 1880 M. E. Braddon Just as I Am ii A younger branch of a good old Devonian family tree. 1887 M. E. Braddon Like & Unlike I. xi. 242 The hedgerows were budding in the soft Devonian air. b. as n. A native or inhabitant of Devonshire. ΘΚΠ the world > people > nations > native or inhabitant of Europe > British nation > English nation > [noun] > native or inhabitant of England > south of England > Devon or Cornwall gubbinsa1661 Cousin Jan1853 Cousin Jacky1854 Cousin Jack1857 Devonian1882 1882 C. E. Mathews in Athenæum 23 Dec. 848/1 A treasure not only to Devonians, but to book lovers generally. 2. Geology. Name given to a geological formation or ‘system’ of rocks lying below the Carboniferous and above the Silurian formations; hence, of or pertaining to this formation and the geological period during which it was deposited.The name was given in reference to the great development of these rocks as a marine formation in Devonshire. The rocks called ‘Old Red Sandstone’ in Scotland, West of England, and South Wales, are held to be lacustrine deposits of contemporary age, and included in the Devonian System; and the term is applied all over the world to a system of rocks having the same stratigraphical position, and containing organic remains similar to those of the Devonshire strata. ΘΚΠ the world > the earth > structure of the earth > age or period > [adjective] > primary or Palaeozoic > Devonian Devonian1837 Erian1873 Devonic1876 the world > the earth > structure of the earth > age or period > stratigraphic units > [adjective] > primary or Palaeozoic > Devonian Devonian1837 Erian1873 Devonic1876 1837 Sedgwick & Murchison in Trans. Geol. Soc. 2nd Ser. 5 701 We purpose therefore for the future to designate these groups [the Cornish Killas and the Devonian slates] collectively by the name Devonian system, as involving no hypothesis and being agreeable to analogy. 1846 Expos. Outline of Vestiges Nat. Hist. Creation 24 The Old Red Sandstone or Devonian System comes next. 1871 C. Lyell Student's Elem. Geol. 421 The name Devonian was given by Sir R. Murchison and Professor Sedgwick to marine fossiliferous strata which, in the South of England, occupy a similar position between the overlying coal and the underlying Silurian formation. 1873 J. W. Dawson Story Earth & Man v. 84 The Devonian, or, as it may be better called in America, from the vast development of its beds on the south side of Lake Erie, the Erian formation. 1885 Lyell's Stud. Elem. Geol. 418 The number of American Devonian plants has now been raised..to 160. 1885 Lyell's Stud. Elem. Geol. 419 There were no..Reptilia during the Devonian age. This entry has not yet been fully updated (first published 1895; most recently modified version published online December 2021). < adj.n.1612 |
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