alkali flat

alkali flat

noun
a level area, as a dry lake bed, in which evaporation has concentrated alkali minerals, as sodium sulfates and carbonates.
Compare salt flat.


Origin:
1870–75, Americanism

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World English Dictionary
alkali flat
 
n
an arid plain encrusted with alkaline salts derived from the streams draining into it

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Encyclopedia Britannica
Encyclopedia

alkali flat

a playa, or dried-out desert lake, especially one containing high concentrations of precipitated dry, glistening salts. The term is generally limited to flats in the western United States, the most famous being the Bonneville Salt Flats (q.v.) west of Salt Lake City, where automobile speed records are set

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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