ion

== English == === Etymology 1 === From the ending of anion and cation, which in turn is from Ancient Greek ἰόν (ión, “going”), neuter present participle of εἶμι (eîmi, “I go”). Coined by English polymath William Whewell in 1834 for Michael Faraday, who introduced it later that year. ==== Pronunciation ==== (UK) enPR: ī'ən, IPA(key): /ˈaɪən/; enPR: ī'ŏn, IPA(key): /ˈaɪ.ɒn/ (US) enPR: ī'ŏn, IPA(key): /ˈaɪ.ɑn/ Rhymes: -aɪən, -aɪɒn Homophone: iron (in some accents only) ==== Noun ==== ion (plural ions) An atom or group of atoms bearing an electrical charge, such as the sodium and chlorine atoms in a salt solution. Hyponyms: (cardinal types) anion (−); cation (+); for many more, see Derived terms ===== Derived terms ===== ===== Translations ===== === Etymology 2 === From a reduction of I don't. ==== Pronunciation ==== IPA(key): /ˈaɪˌoʊn/ ==== Phrase ==== ion (African-American Vernacular, slang) I don't. === Anagrams === oni, NOI, Ino, ONI, NIO, -ino == Czech == === Alternative forms === iont === Pronunciation === IPA(key): [ˈjon] IPA(key): [ˈɪjon] IPA(key): [ˈjoːn] IPA(key): [ˈɪjoːn] === Noun === ion m inan ion ==== Declension ==== === Further reading === “ion”, in Příruční slovník jazyka českého (in Czech), 1935–1957 “ion”, in Slovník spisovného jazyka českého (in Czech), 1960–1971, 1989 “ion”, in Akademický slovník cizích slov at prirucka.ujc.cas.cz [Academic dictionary of foreign words] (in Czech), 1995 == Danish == === Alternative forms === jon === Etymology === From Ancient Greek ἰόν (ión, “going”). === Noun === ion (singular definite ionen, plural indefinite ioner) (chemistry, physics) an ion ==== Declension ==== ==== See also ==== ionisere === References === “ion” in Den Danske Ordbog == Dutch == === Etymology === Borrowed from English ion. === Pronunciation === IPA(key): /iˈɔn/, /jɔn/ Hyphenation: ion Rhymes: -ɔn === Noun === ion n (plural ionen, no diminutive) ion (charged atom or compound) ==== Derived terms ==== ioniseren == Esperanto == === Pronunciation === IPA(key): /ˈion/ Rhymes: -ion Syllabification: i‧on === Pronoun === ion accusative of io == French == === Etymology === English ion. === Pronunciation === IPA(key): /jɔ̃/, /i.ɔ̃/ === Noun === ion m (plural ions) (physical chemistry) ion ==== Descendants ==== → Persian: یون (yon) === Further reading === “ion”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012 == Hungarian == === Etymology === From English ion, from Ancient Greek ἰόν (ión, “going”). === Pronunciation === IPA(key): [ˈijon] Rhymes: -on Hyphenation: ion Syllabification: i‧on === Noun === ion (plural ionok) (chemistry, physics) ion ==== Declension ==== === Further reading === ion in Géza Bárczi, László Országh, et al., editors, A magyar nyelv értelmező szótára [The Explanatory Dictionary of the Hungarian Language] (ÉrtSz.), Budapest: Akadémiai Kiadó, 1959–1962. Fifth ed., 1992: →ISBN. == Indonesian == === Etymology === Borrowed from English ion, from Ancient Greek ἰόν (ión, “going”), neuter present participle of εἶμι (eîmi, “I go”). === Pronunciation === (Standard Indonesian) IPA(key): /ˈion/ [ˈi.ɔn] Rhymes: -on Syllabification: i‧on === Noun === ion (plural ion-ion) (chemistry) ion (atom or group of atoms bearing an electrical charge) ==== Hyponyms ==== ==== Derived terms ==== === Further reading === “ion”, in Kamus Besar Bahasa Indonesia [Great Dictionary of the Indonesian Language] (in Indonesian), Jakarta: Agency for Language Development and Cultivation – Ministry of Education, Culture, Research, and Technology of the Republic of Indonesia, 2016 == Japanese == === Romanization === ion Rōmaji transcription of いおん Rōmaji transcription of イオン == Norwegian Bokmål == === Etymology === From Ancient Greek ἰόν (ión, “going”). === Noun === ion n (definite singular ionet, indefinite plural ioner, definite plural iona or ionene) (chemistry, physics) an ion ==== Derived terms ==== ionisk ionosfære === References === “ion” in The Bokmål Dictionary. == Norwegian Nynorsk == === Etymology === From Ancient Greek ἰόν (ión, “going”). === Noun === ion n (definite singular ionet, indefinite plural ion, definite plural iona) (chemistry, physics) an ion ==== Derived terms ==== ionisk ionosfære === References === “ion” in The Nynorsk Dictionary. == Romanian == === Etymology === Borrowed from French ion. === Noun === ion m (plural ioni) ion ==== Declension ==== == Serbo-Croatian == === Etymology === From Ancient Greek ἰόν (ión, “going”). === Pronunciation === IPA(key): /ǐoːn/ Hyphenation: i‧on === Noun === ìōn m inan (Cyrillic spelling ѝо̄н) (chemistry, physics) ion ==== Declension ==== === References === “ion”, in Hrvatski jezični portal [Croatian language portal] (in Serbo-Croatian), 2006–2026 == Slovene == === Etymology === From Ancient Greek ἰόν (ión, “going”). === Pronunciation === IPA(key): /ióːn/ === Noun === iọ̑n m inan (chemistry, physics) ion ==== Declension ==== === References === “ion”, in Slovarji Inštituta za slovenski jezik Frana Ramovša ZRC SAZU, portal Fran “ion”, in Termania, Amebis See also the general references == Spanish == === Alternative forms === ión (pre-2010) === Etymology === Borrowed from English ion, from Ancient Greek ἰόν (ión). === Pronunciation === Rhymes: -on IPA(key): /iˈon/ [iˈõn] Rhymes: -on Syllabification: ion === Noun === ion m (plural iones) ion (atom or group of atoms bearing an electrical charge) === Further reading === “ion”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025 == Vietnamese == === Etymology === From French ion, from English ion. === Pronunciation === (Hà Nội) IPA(key): [ʔi˧˧ ʔɔn˧˧], [ʔi˧˧ ʔəwŋ͡m˧˧] (Huế) IPA(key): [ʔɪj˧˧ ʔɔŋ˧˧], [ʔɪj˧˧ ʔəwŋ͡m˧˧] (Saigon) IPA(key): [ʔɪj˧˧ ʔɔŋ˧˧], [ʔɪj˧˧ ʔəwŋ͡m˧˧] Phonetic spelling: i on, i ông === Noun === ion an ion === See also === ion hoá