| a level area, as a dry lake bed, in which evaporation has concentrated alkali minerals, as sodium sulfates and carbonates. |
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
Learn more about alkali flat with a free trial on Britannica.com.
