potassium hydroxide

noun

Definition of potassium hydroxide

: a white deliquescent solid KOH that dissolves in water with much heat to form a strongly alkaline and caustic liquid and is used chiefly in making soap and as a reagent

Examples of potassium hydroxide in a Sentence

Recent Examples on the Web Using heat, water and a strong base — potassium hydroxide, in this case — a body can be dissolved into liquid and bone in a matter of hours. John Aguilar, The Denver Post, "A chemical dip is the greenest way to go after death. It’s now available in Arvada.," 3 Dec. 2019 Alkaline hydrolysis The body is placed inside a pressure vessel which is filled with water and potassium hydroxide and heated. Erica Lamberg, USA TODAY, "An overview of final arrangement options," 25 Mar. 2020 To make the water able to better conduct ions that move through the devices, today’s most common electrolyzers add high levels of potassium hydroxide (KOH) to the water. Robert F. Service, Science | AAAS, "Next generation water splitter could help renewables power the globe," 10 Mar. 2020 Alkaline hydrolysis involves placing a body in a chamber that is then filled with water and potassium hydroxide and heated up to 300 degrees Fahrenheit at high pressure. Caren Chesler, Popular Mechanics, "Burning Out: What Really Happens Inside a Crematorium," 8 Nov. 2019 It was powered on two 36-volt silver-zinc potassium hydroxide non-rechargeable batteries. David Grossman, Popular Mechanics, "Japan and Toyota Teaming Up to Make an SUV for the Moon, Maybe Mars," 12 Mar. 2019 First, air is channelled by fans onto a honeycombed plastic slab called a contactor, where CO2, which is acidic, reacts with aqueous potassium hydroxide, which is alkaline. The Economist, "Extracting carbon dioxide from the air is possible. But at what cost?," 7 June 2018 According to Nails magazine, the most common active ingredients found in callus-removing formulas are urea, salicylic acid (which is commonly found in acne treatments) and potassium hydroxide. Marci Robin, Good Housekeeping, "Woman Says She Suffered Horrifying Burns on Her Foot During Salon Pedicure," 7 Nov. 2017 This produces potassium hydroxide, which is recycled back to the contactor, and pellets of calcium carbonate. 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 'potassium 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 potassium hydroxide

1866, in the meaning defined above

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The first known use of potassium hydroxide was in 1866

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Cite this Entry

“Potassium hydroxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/potassium%20hydroxide. Accessed 22 Oct. 2020.

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More Definitions for potassium hydroxide

potassium hydroxide

noun

Medical Definition of potassium hydroxide

: a white deliquescent solid KOH that dissolves in water with much heat to form a strongly alkaline liquid and that is used as a powerful caustic and in the making of pharmaceuticals

called also caustic potash

More from Merriam-Webster on potassium hydroxide

Britannica.com: Encyclopedia article about potassium hydroxide

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