oxonium

O1X8O1N1I1U1M3
UK/ɒkˈsəʊnɪ.əm/

noun

Any univalent oxygen cation derived from water, the simplest of which is the hydronium ion (H₃O⁺).

Scrabble 16
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Meanings

nounoxonium (plural oxoniums)

plural oxoniums

  1. chemistryAny univalent oxygen cation derived from water, the simplest of which is the hydronium ion (H₃O⁺).

Origin

From ox- + -onium.

Full word history & related roots →

Translations

Catalan oxoni
  • oxoniunivalent oxygen cation
Chinese Mandarin 氧鎓離子 /氧𬭩离子
  • 氧鎓離子 /氧𬭩离子univalent oxygen cation
Finnish oksonium
  • oksoniumunivalent oxygen cation
German Oxonium
  • Oxoniumunivalent oxygen cation
Italian ossonio
  • ossoniounivalent oxygen cation
Japanese オキソニウム
  • オキソニウム (okisoniumu)univalent oxygen cation
Spanish oxonio
  • oxoniounivalent oxygen cation

Rhymes & wordplay

Rhymes with oxonium

plutoniumpandemoniumeuphoniumharmoniummeconiumpoloniumpelargoniumpandamoniumIconiumpancuroniumvecuroniumstramoniumfandemoniumhydroniumbalonium-curoniumdecamethoniumdiazoniumfluoroniummeldoniumoniumphosphoniumpurdoniumrocuronium
All rhymes →
Cite this entry
APA

oxonium. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/oxonium

MLA

“oxonium.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/oxonium. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “oxonium,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/oxonium.

Source: oxonium on Wiktionary, CC BY-SA 4.0.