hydronium(redirected from Hydroxonium)
Also found in: Medical, Encyclopedia.
Related to Hydroxonium: Hydronium ion
A hydrated hydrogen ion, H3O+. Also called hydronium ion.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.