Also found in: Medical, Encyclopedia, Wikipedia.


(bɑːˈkɑːn) ,






(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
Mentioned in ?
References in periodicals archive ?
According to the company, Stina Barchan, chair of the nomination committee, and the remaining members, Sven Ericsson and Anders Ullberg, will finish the work of the nomination committee.
NASA also recently ( shared a stunning image of Martian "barchan dunes." Located near Mars' Nili Patera, the barchan dunes are characterized by their elongated crescent form and were formed due to wind continuously and consistently blowing in the same direction. 
The image shows the impact crater with a crescent-shaped barchan sand dune inside.
The current study proposed a new nonsmooth unit inspired by the shape of barchan dunes.
But he turned in a career best to hold Euro Charline by a length in the Group 1 Lockinge Stakes at Newbury, with Endless Drama (third), Toormore ( fifth), Kodi Bear (seventh) and Barchan (12th) in his wake.
Graeme Rodway 2.30 Royal Ascot Sporting (50:30:20:10) 17-20 Ervedya, 16-19 Belardo, 14-17 Tepin, 11-14 Esoterique, Endless Drama, 7-9 Kodi Bear, 4-6 Amazing Maria, Toormore, 3-5 Lightning Spear, Cougar Mountain, 2-4 Mondialiste, Arod, 1-3 A Shin Erwin, 0.1-1 Barchan.
LINGFIELD: 1.25 Autumn Tonic, 2.00 Very Good Day, 2.35 Reetaj, 3.10 Barchan, 3.45 Energia Flavio, 4.15 Polar Kite, 4.45 Gabrial's Wawa.
Margarets Barchan and Jeanne Westervelt Rice give tools for facilitating conversations about culture, espoused values and organizational behaviours.
Sauermann G, Andrade JS Jr, Maia LP, Costa UMS, Araujo AD, Herrmann HJ (2003) Wind velocity and sand transport on a barchan dune.
Stokes (2003), Chronologies for Late Quaternary Barchan Dune Reactivation in the Southeast Arabian Peninsula," Quaternary Science Reviews 22, 1027-1033.
Interactions between crescent-shaped, or barchan, dunes stabilize the sand mounds and explain how vast swarms of them can persist over time, two new studies find.
It was found wandering in the desert, confused by the wind, the blowing sands of the barchan dunes.