ion exchange resin

noun

: an insoluble material of high molecular weight that contains groups which can be exchanged with ions in a solution with which it is in contact

Example Sentences

Recent Examples on the Web Pressure vessels hold an ion exchange resin media that filters out PFAS at a new water treatment plant along Kimberly Ave. —

Reuters, CNN, 10 Nov. 2022 Those disposable filters use something called ion exchange resin to filter out copper, cadmium and zinc. —

Dan Sweeney, sun-sentinel.com, 19 July 2019

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'ion exchange resin.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1943, in the meaning defined above

Time Traveler

The first known use of ion exchange resin was in 1943

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Dictionary Entries Near ion exchange resin

ion exchange

ion exchange resin

ion exclusion

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Cite this Entry

Style

“Ion exchange resin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ion%20exchange%20resin. Accessed 30 Mar. 2023.

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Medical Definition

ion exchange resin

noun

: an insoluble material of high molecular weight that contains either acidic groups for exchanging cations or basic groups for exchanging anions and is used in ion-exchange processes and in medicine (as for reducing the sodium content of the body or the acidity of the stomach)