rock salt
Americannoun
noun
Etymology
Origin of rock salt
First recorded in 1700–10
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The winter storm that sent Americans scurrying to buy snowblowers, shovels, and rock salt now has them in a deep freeze.
From Barron's ● Jan. 27, 2026
To stabilize these ceramics, manganese and iron atoms must remain in the 2+ oxidation state, forming what is known as a rock salt structure where each atom bonds with only two oxygen atoms.
From Science Daily ● Dec. 4, 2025
It also warns owners to wash their paws thoroughly after walking in areas that may have been gritted with rock salt, which can be poisonous to pets.
From BBC ● Jan. 17, 2024
Around 200,000 people in the Alagoas state’s capital of Maceio were affected by the excessive extraction of rock salt, according to the Brazil Senate’s website.
From Seattle Times ● Jul. 21, 2023
The shovel and bag of rock salt were right where he remembered.
From "The Dead and the Gone" by Susan Beth Pfeffer
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
