Oxonium

//ɒkˈsəʊnɪ.əm// noun

noun ·Rare ·Advanced level

Definitions

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

Related phrases

oxonium ion

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.