- a portion of the earth's crust, bounded on at least two sides by faults, that has dropped downward in relation to adjacent portions.
Origin of graben
1895–1900; < German: ditch
Also called rift valley.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for graben
Trotsky, Stalin, and Hitler were all in Vienna in 1913, so maybe they did pass within 10 feet of each other walking down Graben.William Boyd on James Bond and His New Novel, Waiting for Sunrise
April 19, 2012
It is no moat, no Graben, that is now being dug, but a grave—a Grab.The Faust-Legend and Goethe's 'Faust'
H. B. Cotterill
The depression is probably a “Graben” or trough formed by faulting.
The beautiful “Graben” and Horse-market once more excited my admiration.Visit to Iceland
Cannon were in position on the Stephan's Platz and the Graben, and the gunners stood ready, as if on parade.The Daltons, Volume II (of II)
Charles James Lever
Every one seemed as joyous and carefree as on the Graben in Vienna on a sunny spring Sunday in times of undisturbed peace.Men in War
- 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
- 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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.