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

Examples of ion exchange resin in a Sentence

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

Word History

First Known Use

1943, in the meaning defined above

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)