cation exchanger

noun

: a cation-exchange agent that can exchange its cation with the cation or cations of a solution passed through it and that consists of an insoluble saltlike or acidic substance:as

a

: a natural or synthetic zeolite

b

: a sulfonated coal

c

: a synthetic organic resin containing sulfonic or carboxylic acid groups

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now