chelation

noun

che·​la·​tion kē-ˈlā-shən How to pronounce chelation (audio)
also chē-
1
: the process of chelating or the quality or state of being chelated
2

Examples of chelation in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
These include chelation and hyperbaric oxygen therapies—both of which have been promoted by current IACC members. Allison Parshall, Scientific American, 20 Mar. 2026 This no-lather cleanser uses chelation technology to remove mineral buildup from hard water and chlorine, a common issue for coarse curls that appear dull or rough. Jamie Wilson, Glamour, 20 Feb. 2026 And in January, Kennedy recast an advisory panel on autism, appointing people who have championed the use of pressurized chambers to deliver pure oxygen to children, as well as some who support infusions to draw out heavy metals, a process known as chelation. Megan O’Matz, ProPublica, 18 Feb. 2026 Davis had a client who was hospitalized with an EBLL of 70 and had to undergo chelation, a treatment that removes heavy metals from the body. Jimmy Lovrien, Twin Cities, 16 Feb. 2026 In the following years, MSF provided chelation to thousands of children and the government and community organizations undertook the complex job of environmental remediation, laying fresh soil over acres of contaminated land to prevent continued poisoning. Tom Frieden, Big Think, 30 Sep. 2025 Believing in a vaccine-autism link, parents access an ever-expanding market of questionable products that claim to mitigate autistic symptoms—specialized diets, supplements, and riskier treatments, like chelation and parasite therapy. Catherine Tan, TIME, 20 Dec. 2024 In some cases, chelation can cause organ damage and other severe side effects. Lauren Leffer, Popular Science, 27 Nov. 2024 According to the outlet, Sara's currently taking heart medications and iron chelation to potentially treat her condition. Esme Mazzeo, Peoplemag, 15 Dec. 2023

Word History

First Known Use

1932, in the meaning defined at sense 1

Time Traveler
The first known use of chelation was in 1932

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Cite this Entry

“Chelation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chelation. Accessed 2 Apr. 2026.

Medical Definition

chelation

noun
che·​la·​tion kē-ˈlā-shən How to pronounce chelation (audio)
1
: the process of chelating or the quality or state of being chelated
2

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