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calcium hydroxide

American  

noun

  1. slaked lime.


calcium hydroxide British  

noun

  1. Also called: lime.   slaked lime.   hydrated lime.   calcium hydrate.   caustic lime.   lime hydrate.  a white crystalline slightly soluble alkali with many uses, esp in cement, water softening, and the neutralization of acid soils. Formula: Ca(OH) 2

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of calcium hydroxide

First recorded in 1885–90

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The added calcium hydroxide, or lime, raises the water’s pH and enables it to sequester more CO2 in the form of calcium bicarbonate or as carbonate deposited in the shells of sea creatures.

From Science Magazine • Dec. 15, 2022

His creation allows air to pass through a warehouse filled with calcium hydroxide.

From Washington Post • Jun. 23, 2022

It contains a pound of heirloom white cacahuazintle corn, just enough calcium hydroxide to nixtamalize it at home, Rancho Gordo oregano indio and ground Pasilla Mixe chile from Oaxaca.

From New York Times • Dec. 20, 2021

Solid calcium hydroxide is then added to the seawater, reacting with dissolved magnesium chloride to yield solid magnesium hydroxide and aqueous calcium chloride.

From Textbooks • Feb. 14, 2019

The method of preparation of strontium hydroxide is analogous to that of calcium hydroxide.

From An Elementary Study of Chemistry by McPherson, William