Definition of barchan in English:

barchan

Line breaks: bar|chan
Pronunciation: /ˈbɑːk(ə)n
 
/

noun

A crescent-shaped shifting sand dune, as found in the deserts of Turkestan.
More example sentences
  • Now a team publishing in the 23 December print issue of PRL reports it has generated miniature replicas of crescent-shaped dunes known as barchans in a water tank.
  • Transverse ridges have a higher sand supply than barchans but also exist in unidirectional winds.
  • As he described them to the nomads of the Empty Quarter, they thought of the hard dark dunes found in their own desert called barchan dunes.

Origin

late 19th century: from Turkic barkhan.

Definition of barchan in:

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Word of the day apposite
Pronunciation: ˈapəzɪt
adjective
apt in the circumstances or relation to something