graben

[grah-buhn]

gra·ben

[grah-buhn]
noun
a portion of the earth's crust, bounded on at least two sides by faults, that has dropped downward in relation to adjacent portions.
Also called rift valley.
Compare horst.


Origin:
1895–1900; < German: ditch
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Graben is always a great word to know.
So is slumgullion. Does it mean:
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
a stew of meat, vegetables, potatoes, etc.
Collins
World English Dictionary
graben (ˈɡrɑːbən)
 
n
an elongated trough of land produced by subsidence of the earth's crust between two faults
 
[C19: from German, from Old High German graban to dig]

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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American Heritage
Science Dictionary
graben   (grä'bən)  Pronunciation Key 
A usually elongated block of rock that is bounded by parallel geologic faults along its two longest sides, and has a lower elevation than the rock at its sides. Grabens form where rock is being pulled apart by tectonic forces. The East African Rift Valley is a graben.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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