calcium chloride

noun

: a white deliquescent salt CaCl2 used in its anhydrous state as a drying and dehumidifying agent and in a hydrated state for controlling dust and ice on roads

Examples of calcium chloride in a Sentence

Recent Examples on the Web
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Greenberg said the city's snow team is working to pretreat roads with salt and calcium chloride and will work around the clock through the precipitation to ensure safety on the city's 110 snow routes. Marina Johnson, Louisville Courier Journal, 18 Feb. 2025 The department has also used 16,500 gallons of calcium chloride, which acts as a de-icing agent on roads. Marina Johnson, The Courier-Journal, 10 Jan. 2025 Also add calcium chloride if the water's calcium level (hardness) is too low. Brandee Gruener, Southern Living, 21 Apr. 2025 Also known as calcium chloride, this acid is pretty standard and used to make chlorine and fertilizer, even fireworks. Alexandra Harrell, Sourcing Journal, 4 Feb. 2025 See All Example Sentences for calcium chloride

Word History

First Known Use

1866, in the meaning defined above

Time Traveler
The first known use of calcium chloride was in 1866

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Cite this Entry

“Calcium chloride.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/calcium%20chloride. Accessed 21 Jul. 2025.

Kids Definition

calcium chloride

noun
: a salt that absorbs moisture from the air and is used to dry other substances

Medical Definition

calcium chloride

noun
: a salt CaCl2 used in medicine as a source of calcium and as a diuretic

More from Merriam-Webster on calcium chloride

Last Updated: - Updated example sentences
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