hydronium

(redirected from Oxidanium)
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hy·dro·ni·um

 (hī-drō′nē-əm)
n.
A hydrated hydrogen ion, H3O+. Also called hydronium ion.
[hydr(o)- + (amm)onium.]
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.