Barchan Dune Definition
bär-kän
noun
A crescent-shaped dune, reaching heights of up to 30 meters (98 feet) and widths of 350 meters (1,148 feet), and having a steep, concave leeward side with crescent tips pointing downwind.
American Heritage
Origin of Barchan Dune
Russian barkhan barchan dune from Kazakh barxan Uighur bargan dune that moves
From American Heritage Dictionary of the English Language, 5th Edition
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