| 单词 | craton |
| 释义 | craton[ krey-ton ] / ˈkreɪ tɒn / noun Geology.a relatively rigid and immobile region of continental portions of the earth's crust. See also platform (def. 15), shield (def. 13). Origin of craton1940–45; <German Kraton, based on Greek krátos power; cf. -cracy, -on2 Words nearby cratoncraterlet, Crater Mound, Craters of the Moon, C ration, C rations, craton, cratur, craunch, cravat, cravat bandage, crave Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for cratoncraton / (ˈkreɪtən) / noungeology a stable part of the earth's continental crust or lithosphere that has not been deformed significantly for many millions, even hundreds of millions, of yearsSee shield (def. 7) Derived forms of cratoncratonic (krəˈtɒnɪk), adjectiveWord Origin for cratonC20: from Greek kratos strength Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for cratoncraton [ krā′tŏn′ ] A large portion of a continental plate that has been relatively undisturbed since the Precambrian era and includes both shield and platform layers. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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