hydronium

noun
hy·​dro·​ni·​um | \ hī-ˈdrō-nē-əm How to pronounce hydronium (audio) \

Definition of hydronium

: a hydrated hydrogen ion H3O+

First Known Use of hydronium

1908, in the meaning defined above

History and Etymology for hydronium

International Scientific Vocabulary hydr- + -onium

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The first known use of hydronium was in 1908

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Cite this Entry

“Hydronium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydronium. Accessed 22 Jun. 2021.

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More Definitions for hydronium

hydronium

noun
hy·​dro·​ni·​um | \ hī-ˈdrō-nē-əm How to pronounce hydronium (audio) \

Medical Definition of hydronium

: a hydrated hydrogen ion H3O+

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