Definition of barchan in English:

barchan

noun ˈbɑːk(ə)nbɑrˈkɑn

A crescent-shaped shifting sand dune, as found in the deserts of Turkestan.
（见于土耳其斯坦沙漠的）新月形流动沙丘
Example sentencesExamples
- 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.
- The pace of an offensive in the desert depends to a great extent on how well the troops can overcome natural obstacles, especially barchans and solonchaks, rock outcrops covered by the enemy fire.
- 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.

Origin

Late 19th century: from Turkic barkhan.

Definition of barchan in US English:

barchan

nounbɑrˈkɑnbärˈkän

A crescent-shaped shifting sand dune, concave on the leeward side.
（见于土耳其斯坦沙漠的）新月形流动沙丘
Example sentencesExamples
- Transverse ridges have a higher sand supply than barchans but also exist in unidirectional winds.
- 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.
- The pace of an offensive in the desert depends to a great extent on how well the troops can overcome natural obstacles, especially barchans and solonchaks, rock outcrops covered by the enemy fire.
- 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.

词汇	barchan
释义	Definition of barchan in English: barchan noun ˈbɑːk(ə)nbɑrˈkɑn A crescent-shaped shifting sand dune, as found in the deserts of Turkestan. （见于土耳其斯坦沙漠的）新月形流动沙丘 Example sentencesExamples 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. The pace of an offensive in the desert depends to a great extent on how well the troops can overcome natural obstacles, especially barchans and solonchaks, rock outcrops covered by the enemy fire. 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. Origin Late 19th century: from Turkic barkhan. Definition of barchan in US English: barchan nounbɑrˈkɑnbärˈkän A crescent-shaped shifting sand dune, concave on the leeward side. （见于土耳其斯坦沙漠的）新月形流动沙丘 Example sentencesExamples Transverse ridges have a higher sand supply than barchans but also exist in unidirectional winds. 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. The pace of an offensive in the desert depends to a great extent on how well the troops can overcome natural obstacles, especially barchans and solonchaks, rock outcrops covered by the enemy fire. 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.
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