calcium chloride

noun
a white, lumpy, deliquescent solid, CaCl 2 , usually derived from calcium carbonate by reaction with hydrochloric acid, or as a by-product of various commercial processes: used chiefly as a drying agent and preservative and for preventing dust.

Origin:
1880–85

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Collins
World English Dictionary
calcium chloride
 
n
a white deliquescent salt occurring naturally in seawater and used in the de-icing of roads and as a drying agent. Formula: CaCl2

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
calcium chloride  
A white crystalline salt that attracts water very strongly. It is used in refrigeration and is spread on roads to melt ice and control dust. Chemical formula: CaCl2.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Effects of calcium chloride injection and hot boning on the tenderness of round muscles.
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