Dictionaries › English

ion

Pronunciation: /ˈaɪən/

The English word “ion” has 2 meanings listed here.

noun

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

phrase

  1. I don't.

Etymology

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.

Keep exploring: in the interactive dictionary every word of a definition is a link. Open “ion” there

More English words

About this dictionary

The English dictionary on Glottosphere has 650,529 entries with a page. Browse the English dictionary.

Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.