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rock salt

noun

  1. common salt occurring in extensive, irregular beds in rocklike masses.


rock salt

noun

  1. 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


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Word History and Origins

Origin of rock salt1

First recorded in 1700–10
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Example Sentences

Not to mention that East Coaster skaters had to deal with harsh winters and pavements with potholes, rock salt and sand.

From Ozy

Even the chandeliers casting a golden glow on many of the rooms are made from rock salt.

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.

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.

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