hydronium ion Hear it!

hydronium ion definition

hydro·nium ion (hī drō′nē əm)

noun

the positively charged ion HO of any acid in a water solution

Etymology: hydr(o)- + -onium

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.