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

Of the more than 30 ingredients, three are additives: sodium caseinate, used as an emulsifier; calcium chloride, which extends shelf life; and potassium chloride, a flavor enhancer used to treat low blood pressure and low potassium levels. —Sandee Lamotte, CNN Money, 14 Dec. 2025

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

Tellone recommends using calcium chloride to melt any residual snow after shoveling and to prevent more buildup. —Kamron Sanders, Better Homes & Gardens, 8 Dec. 2025

Instead of buying rock salt, choose a safer de-icer like calcium chloride or magnesium chloride. —Brandee Gruener, Southern Living, 29 Nov. 2025

Word History

First Known Use

1866, in the meaning defined above

Rhymes for calcium chloride

• amiloride
• hexachloride
• hydrochloride
• oxychloride
• pentachloride
• tetrachloride
• bichloride
• dichloride
• perchloride
• trichloride
• boride
• dihydrochloride

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