anticline

[an-ti-klahyn] Origin

an·ti·cline

[an-ti-klahyn]
noun Geology.
an anticlinal rock structure.

Origin:
1860–65; back formation from anticlinal
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Anticline is always a great word to know.
So is erosion. Does it mean:
process where the surface of the earth is worn away by the action of water, glaciers, winds, waves
to dissolve out soluble constituents from ashes and soil by percolation
Collins
World English Dictionary
anticline (ˈæntɪˌklaɪn)
 
n
Compare syncline a formation of stratified rock raised up, by folding, into a broad arch so that the strata slope down on both sides from a common crest

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

anticline
1867, earlier anticlinal (1849, by ellipsis from anticlinal fold), from Gk. anti- "against" + klinein "to lean, slope." Form assimilated to incline.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
anticline   (ān'tĭ-klīn')  Pronunciation Key 


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A fold of rock layers that slope downward on both sides of a common crest. Anticlines form when rocks are compressed by plate-tectonic forces. They can be as small as a hill or as large as a mountain range. Compare syncline.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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