common salt occurring in extensive, irregular beds in rocklike masses.
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How to use rock salt in a sentence
Even the chandeliers casting a golden glow on many of the rooms are made from rock salt.Wieliczka Salt Mine Is an Incredible Polish Underground Amusement Park | Nina Strochlic | November 14, 2013 | THE DAILY BEAST
But I stand by my recommendation that the U.S. government “replenish its strategic reserves of rock salt without delay.”
Eventually the entire cavity is filled with salt, and a solid mass of rock salt remains.Etidorhpa or the End of Earth. | John Uri Lloyd
Embedded in the Cambrian strata there are great deposits of rock salt at Kheora, where the Mayo mine is situated.
Rock-salt, which occurs in abundance, is possibly the most important mineral in this area.
Gypsum occurs in large quantities in association with the rock-salt of the Salt Range, but the local demand is small.
They are both known in commerce under the name of “bay-salt,” to distinguish them from the “rock-salt” of the mines.The Desert Home | Mayne Reid
British Dictionary definitions for rock salt
another name for halite
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