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Added 7 October 2026

ion

/ˈaɪən/ noun

In Latin: none, coined in 1834 Coined: 1834, by William Whewell Wiktionary

noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about ion at Wordnik → Where our words come from →

An atom or group of atoms bearing an electrical charge, such as the sodium and chlorine atoms in a salt solution.

phrase

I don't.
ion know what 2 do

Origin

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.

From Wiktionary, via Kaikki.org (CC BY-SA)

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