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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Use it sparingly and once the ice melts, sweep any excess calcium chloride away. Karen Brewer Grossman, Southern Living, 23 Jan. 2026 Another common ice removal product is calcium chloride. Olivia McIntosh, Martha Stewart, 16 Jan. 2026 Magnesium and calcium chlorides contain less damaging salt but can be expensive and corrosive to certain materials. Barbara Gillette, The Spruce, 13 Jan. 2026 Salt can also cause potential damage to concrete and plants, sometimes making alternatives like sand or calcium chloride (for concrete) better choices. Doyle Rice, USA Today, 12 Dec. 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 2 Feb. 2026.

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

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