hydronium

== English == === Etymology === From hydro- +‎ onium. === Pronunciation === (Received Pronunciation) IPA(key): /haɪˈdɹəʊ.ni.əm/ (General American) IPA(key): /haɪˈdɹoʊ.ni.əm/ Rhymes: -əʊniəm === Noun === hydronium (plural hydroniums) (inorganic chemistry, physical chemistry) The hydrated hydrogen ion, H3O+. ==== Usage notes ==== May also be defined as the simplest of a class of oxygen cations with three bonds (i.e., the simplest form of oxonium). ==== Synonyms ==== (hydrated hydrogen ion): hydronium ion ==== Hypernyms ==== (cation of oxygen): oxonium ==== Coordinate terms ==== hydroxide hydrogen ion ==== Derived terms ==== ==== Translations ==== === Further reading === Self-ionization of water on Wikipedia.Wikipedia == Finnish == === Etymology === Internationalism (see English hydronium) === Pronunciation === IPA(key): /ˈhydroˌni.um/, [ˈhydro̞ˌni.um] Rhymes: -i.um Syllabification(key): hyd‧ro‧ni‧um Hyphenation(key): hydro‧nium === Noun === hydronium (chemistry) hydronium Synonym: hydroksonium ==== Declension ==== ==== Derived terms ====