calcium hydroxide


Definition of calcium hydroxide

: a white crystalline strong alkali Ca(OH)2 that is used especially to make mortar and plaster and to soften water

Examples of calcium hydroxide in a Sentence

Recent Examples on the Web The enlarged calcium carbonate pellets now get sent to the third and final stage: heating that separates them into pure CO2 gas and calcium hydroxide that can go back to stage two. Scott K. Johnson, Ars Technica, "Machines that suck CO₂ from the air might be cheaper than we thought," 7 June 2018 Add in a little calcium hydroxide, and the disloyal potassium trades partners again. Scott K. Johnson, Ars Technica, "Machines that suck CO₂ from the air might be cheaper than we thought," 7 June 2018 The resulting solution of potassium carbonate is filtered and exposed to a slurry of calcium hydroxide. The Economist, "Extracting carbon dioxide from the air is possible. But at what cost?," 7 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'calcium hydroxide.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of calcium hydroxide

1872, in the meaning defined above

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Time Traveler for calcium hydroxide

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The first known use of calcium hydroxide was in 1872

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Cite this Entry

“Calcium hydroxide.” Dictionary, Merriam-Webster, Accessed 28 Sep. 2020.

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More Definitions for calcium hydroxide

calcium hydroxide


Medical Definition of calcium hydroxide

: a strong alkali Ca(OH)2 commonly sold in water solution or as an ingredient of bleaching powder — see limewater, soda lime

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