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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
Most ice melts are blends of the same ingredients: sodium chloride with calcium chloride or magnesium chloride.
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Meghan Overdeep, Southern Living, 9 Jan. 2025
Incorporating calcium chloride into the hydrogel also provides a slow release of this vital nutrient.
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New Atlas, 18 July 2024
Some blobs even broke upon removal from the calcium chloride baths.
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Alice Chi Phung, Discover Magazine, 10 Dec. 2013
The city also used over 700 tons of a combination of calcium chloride and magnesium chloride to help deice streets and sidewalks throughout the storm.
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Stephen Underwood, Hartford Courant, 8 Jan. 2024
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Word History
First Known Use
1866, in the meaning defined above
Dictionary Entries Near calcium chloride
Cite this Entry
“Calcium chloride.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/calcium%20chloride. Accessed 11 Feb. 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
Britannica.com: Encyclopedia article about calcium chloride
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