| 单词 |
stadial |
| 释义 |
ˈstadial, a. and n.
[ad. L. stadiāl-is, f. stadi-um: see stadium and -al1.]
A. adj.
†1. Pertaining to a stadium in length. Obs. rare—1.
1398Trevisa Barth. De P.R. xix. cxxix. (1495) 937 The Stadiall felde conteyneth syxe score pace and fyue.
2. a. Geol. Of or pertaining to a glacial stadium or stade; stadial moraine = recessional moraine s.v. recessional a. 3.
1937Wooldridge & Morgan Physical Basis of Geogr. xxii. 378 Retreatal stages of the ice in the valleys are marked by ‘stadial moraines’. 1970R. J. Small Study of Landforms xi. 388 If the ice is affected by episodes of retreat, separated by stillstands, a number of smaller, sub-parallel ridges (‘recessional’ or ‘stadial’ moraines) will be formed. 1971S. C. Porter in K. K. Turekian Late Cenozoic Glacial Ages xi. 320 In the Puget Lowland only two stadial episodes have been determined for the Puget lobe. 1979Nature 19 July 199/2 The landforms produced by the stadial glaciers in the Highlands are often clear and abundant.
b. Archæol. Pertaining to or expressed in terms of a series of successive stages into which a culture or period can be divided.
1959Science 6 Feb. 305/2 Willey and Phillips' stadial conception of New World prehistory. 1968L. R. Binford in S. R. & L. R. Binford New Perspectives in Archeol. i. i. 15 The application of such a scale to innumerable empirical cases..can never provide us with an understanding of the processes operative in the past which resulted in the stadial sequence. 1977G. Clark World Prehistory (ed. 3) ii. 41 The use of the term ‘Neolithic’ in this connection in itself poses a problem. If stadial terms are rarely used in contemporary archaeological discourse, it seems all the more important to be clear about their meaning.
B. n. Geol. = stade1 3.
1954Antiquity XXVIII. 8 The tundra-like phase at the beginning of the third Würm stadial. 1964K. W. Butzer Environment & Archeol. xxvii. 395 It seems improbable that food-collectors at the Neanderthaler level would venture through thousands of kilometers of harsh environment at the height of any of the Würm stadials. 1979Seyfert & Sirkin Earth Hist. & Plate Tectonics (ed. 2) xiv. 515/2 Glacial advances occurred during stadials. |
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