Definition of anion exchange
: a chemical process in which anions are exchanged or removed:
a : ion exchange in which one anion (as chloride or hydroxide) is substituted for one or more other anions (as sulfate)
b : a process in which anions in the form of acids are adsorbed by a basic substance
Love words? Need even more definitions?Merriam-Webster unabridged
Words at Play
Ask the Editors
Brand Name Vocabulary Quiz
You’re gonna need some moxie to ace this quiz
Commonly Confused Words Quiz
Take a (break/brake) and (pore/pour) over this (c...
How Strong Is Your Vocabulary?
Test your vocabulary with our 10-question quiz!
Spelling Bee Quiz
Can you outdo past winners of the National Spelli...