oxonium compound

[ok-soh-nee-uh m]

noun Chemistry.

a salt formed by the reaction of an acid with an organic compound containing a basic oxygen atom.

Origin of oxonium compound

ox- + New Latin -onium (abstracted from ammonium)

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British Dictionary definitions for oxonium compound

oxonium compound

oxonium salt

noun

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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