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oxonium compound

[ok-soh-nee-uh m]
noun Chemistry.
  1. a salt formed by the reaction of an acid with an organic compound containing a basic oxygen atom.
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Origin of oxonium compound

ox- + New Latin -onium (abstracted from ammonium)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for oxonium compound

oxonium compound

oxonium salt

noun
  1. chem any of a class of salts derived from certain organic ethers or alcohols by adding a proton to the oxygen atom and thus producing a positive ion (oxonium ion)
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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