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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

Addition of calcium hydroxide to seawater precipitates magnesium hydroxide.

From Textbooks • Feb. 14, 2019

See Intensity, specific Speed of reactions between carbide, water, and calcium hydroxide, of purification, Spent lime.

From Acetylene, the Principles of Its Generation and Use A Practical Handbook on the Production, Purification, and Subsequent Treatment of Acetylene for the Development of Light, Heat, and Power by Leeds, F. H. (Frank Henley)

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