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seif dune

/ (seɪf) /
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noun

(in deserts, esp the Sahara) a long ridge of blown sand, often several miles long

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Word Origin for seif dune

seif, from Arabic: sword, from the shape of the dune
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

How to use seif dune in a sentence

Scientific definitions for seif dune

seif dune
[ sāf, sīf ]

A sharp-crested longitudinal sand dune or chain of sand dunes common to the Sahara and ranging up to 300 m (984 ft) in height and 300 km (186 mi) in length.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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