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
: chelation therapy

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.
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 The list included chelation and hyperbaric oxygen therapy, treatments that those in the anti-vaccine and wellness spheres have championed. — Beth Mole, ArsTechnica, 13 Jan. 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 These include chelation and hyperbaric oxygen therapies—both of which have been promoted by current IACC members. — Allison Parshall, Scientific American, 20 Mar. 2026 See All Example Sentences for chelation

Word History

First Known Use

1932, in the meaning defined at sense 1

Time Traveler
The first known use of chelation was in 1932

Phrases Containing chelation

Rhymes for chelation

See All Rhymes for chelation

Browse Nearby Words

chelate
chelation
chelation therapy
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Cite this Entry

“Chelation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chelation. Accessed 8 Jul. 2026.

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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
: chelation therapy

More from Merriam-Webster on chelation

Britannica.com: Encyclopedia article about chelation

Last Updated: - Updated example sentences
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