dreikanter


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dreikanter

(ˈdraɪkæntə)
n
(Geological Science) a pebble, common in desert areas, typically having three curved faces shaped by wind-blown sand
[C20: from German: three-edged thing]
References in periodicals archive ?
They often contain stones called dreikanters, which have been shaped by the different prevailing winds.
Stone hamadas develop from hard rocks and are covered with dreikanters, stones showing deflation.