alkaline hydrolysis

noun

: the chemical process of rapidly decomposing a dead body to mostly tiny bits of bone resembling ash by immersing the body in a pressurized chamber containing a heated alkaline solution (as of potassium hydroxide) followed by drainage of all liquid and pulverization of remaining bone compare cremation
broadly : any hydrolysis process performed in an alkaline environment
Alkaline hydrolysis is one of the most commonly used chemical pretreatment processes, which can remove primarily lignin and some hemicellulose from lignocellulosic biomass. —Wan Chi Lam et al.

Examples of alkaline hydrolysis in a Sentence

Recent Examples on the Web
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Investigators believe Horsch used a process known as alkaline hydrolysis to dispose of bodies, law enforcement sources said. — Joe Holden, CBS News, 15 Oct. 2026 Water cremation aka alkaline hydrolysis in a far more gentle way of sending someone off into the beyond. — Pete Hammond, Deadline, 2 July 2026 Water cremation, also known as alkaline hydrolysis, is a process in which human remains are placed in a pressurized chamber filled with water and chemicals and eventually reduced to powder. — Tanya D. Marsh, The Conversation, 24 Apr. 2026 Senate Bill 22, if passed, would require the state board of funeral and cemetery service to adopt rules governing the operation of alkaline hydrolysis facilities. — Alexandra Kukulka, Chicago Tribune, 10 Jan. 2026 See All Example Sentences for alkaline hydrolysis

Word History

First Known Use

1994, in the meaning defined above

Time Traveler
The first known use of alkaline hydrolysis was in 1994

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Cite this Entry

“Alkaline hydrolysis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alkaline%20hydrolysis. Accessed 21 Oct. 2026.

Medical Definition

alkaline hydrolysis

noun
: the chemical process of rapidly decomposing a dead body to mostly tiny bits of bone resembling ash by immersing the body in a pressurized chamber containing a heated alkaline solution (as of potassium hydroxide) followed by drainage of all liquid and pulverization of remaining bone compare cremation
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