rock salt


Definition of rock salt

: common salt occurring in solid form as a mineral also : salt artificially prepared in large crystals or masses

Examples of rock salt in a Sentence

I put some rock salt on the sidewalk to melt the ice.

Recent Examples on the Web

Meal includes 6- to 7-pound rock salt roasted, herb crusted prime rib, Yukon Gold mashed potatoes, roasted green beans, and an herbed au jus. Chris Sims, Indianapolis Star, "Where to find Father's Day brunch deals, restaurant specials to help you celebrate," 4 June 2019 As a result, City Council members passed a resolution at their May 7 meeting that authorizes the purchase of only 1,000 tons of rock salt instead of the usual order of 3,500 tons. Beth Mlady,, "Berea will try 'new salt system' on winter roads," 11 May 2018 Cover a rimmed baking sheet with rock salt and nestle the oyster half shells in the salt to steady them. Barbara Mahany,, "Retro cookbooks offer comforts from another era for these uncertain times," 29 June 2018 Most road salts are either sodium chloride (rock salt) or sometimes a concentrated solution of calcium chloride in colder weather. Bob Weber,, "Readers urge for clarification on salt water in car washes," 25 Mar. 2018 Beyond both the layered and rock salt batteries, researchers are looking beyond to solid-state batteries. Ellen Airhart, WIRED, "Alternatives to Cobalt, the Blood Diamond of Batteries," 7 June 2018 The company’s name is inspired by the way ice cream was made in the old days: churned by hand with rock salt, then packed in insulating layers of straw. Pam Kragen,, "Salt & Straw ice cream mixes in community flavor," 13 May 2018 Officers located pieces of rock salt on the ledge outside the window. Andy Attina /,, "Man threatened after telling woman she was pictured on his shirt: Richmond Heights Police Blotter," 31 Jan. 2018 The gunk coming off our cars, the weed-and-feed from our lawns, the pet waste and rock salt and everything else that washes into waterways has become the far bigger issue, and the sources are harder to track down. Bill Laitner, Detroit Free Press, "Tiny bugs help volunteers track water quality in region," 20 Jan. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'rock salt.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of rock salt

1693, in the meaning defined above

Keep scrolling for more

Learn More about rock salt

Statistics for rock salt

Last Updated

13 Jun 2019

Look-up Popularity

Time Traveler for rock salt

The first known use of rock salt was in 1693

See more words from the same year

Keep scrolling for more

More Definitions for rock salt

rock salt


English Language Learners Definition of rock salt

: salt that is in the form of large pieces or crystals

rock salt


Kids Definition of rock salt

: common salt in large crystals

Keep scrolling for more

More from Merriam-Webster on rock salt

Rhyming Dictionary: Words that rhyme with rock salt

Spanish Central: Translation of rock salt

Nglish: Translation of rock salt for Spanish Speakers Encyclopedia article about rock salt

Comments on rock salt

What made you want to look up rock salt? Please tell us where you read or heard it (including the quote, if possible).


having no luck

Get Word of the Day daily email!

Test Your Vocabulary

What's that Smell?! Quiz

  • wide eyed dog smelling rose
  • Someone who is hircine smells like a:
Spell It

Can you spell these 10 commonly misspelled words?

Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!