barchan

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barchan

(bɑːˈkɑːn) ,

barkhan

,

barchane

or

barkan

n
(Physical Geography) a crescent-shaped shifting sand dune, convex on the windward side and steeper and concave on the leeward
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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