hydronium

Variant of hydronium ion

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.

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