seif dune

Noun

Meaning

a long and tall sand dune with a sharp crest; common in the Sahara

Hypernyms

Examples

On a seif dune the slip face develops on the side facing away from the strong wind, while the slip face of a barchan faces the direction of movement. Source: Internet

The wing will continue to grow under both wind conditions, thus producing a seif dune. Source: Internet

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