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craton

[krey-ton]
noun Geology.
  1. a relatively rigid and immobile region of continental portions of the earth's crust.
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Origin of craton

1940–45; < German Kraton, based on Greek krátos power; cf. -cracy, -on2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for craton

craton

noun
  1. geology 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)
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Derived Formscratonic (krəˈtɒnɪk), adjective

Word Origin for craton

C20: 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

craton in Science

craton

[krātŏn′]
  1. A large portion of a continental plate that has been relatively undisturbed since the Precambrian era and includes both shield and platform layers.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.