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hydroxonium ion

British  
/ ˌhaɪdrɒkˈsəʊnɪəm /

noun

  1. Also called: hydronium ion.  a positive ion, H 3 O + , formed by the attachment of a proton to a water molecule: occurs in solutions of acids and behaves like a hydrogen ion

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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