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hydronium ion
hydronium ion (haɪˈdrəʊnɪəm) n (Chemistry) chem another name for hydroxonium ion[C20: from hydro- + (amm)onium]hy•dro′ni•um i′on (haɪˈdroʊ ni əm)
n. the hydrogen ion bonded to a molecule of water, H3O + , the form in which hydrogen ions are found in aqueous solution. [< German Hydronium (1907), contraction of Hydroxonium; see hydro-2, -onium] hydronium ion
hydronium ion[hī′drō·nē·əm ¦ī‚än] (inorganic chemistry) H3O+An oxonium ion consisting of a proton combined with a molecule of water; found in pure water and in all aqueous solutions. Also known as hydrogen ion. hydronium ion
hy·dro·ni·um ionthe hydrated proton, H3O+, a form in which hydrogen ion exists in aqueous solutions; also, H3O+·H2O, H3O+·2H2O, etc. Synonym(s): oxonium ionhydronium ion (hi-dro'ne-um) [G. Hydronium, abbr. of Hydroxonium ] See: ion
hydronium ionH3O+, a hydrated hydrogen ion. It is formed when an acid dissolves in water. See also: ionThesaurusSeeion |