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barchan

[bahr-kahn] /bɑrˈkɑn/
noun
1.
a crescent-shaped sand dune with the convex side in the direction of the wind.
Origin
1885-1890
1885-90; < Russian barkhán, said to be < Turkic
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for barchan
  • Large transverse and barchan dunes creep forward many feet per year, overwhelming all plant life in their paths.
  • Parabolic dunes are the predominant type, although barchan and transverse dunes appear.
British Dictionary definitions for barchan

barchan

/bɑːˈkɑːn/
noun
1.
a crescent-shaped shifting sand dune, convex on the windward side and steeper and concave on the leeward
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
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Encyclopedia Article for barchan

crescent-shaped sand dune produced by the action of wind predominately from one direction. One of the commonest types of dunes, it occurs in sandy deserts all over the world

Learn more about barchan with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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