Ion

Pronunciation

• UK IPA: /ˈaɪən/, /ˈaɪɒn/
• US IPA: /ˈaɪ.É‘n/
• Rhymes: -aɪən
• Homophones: iron in some accents only

Origin

From Ancient Greek ἰόν (ion, "going"), neuter present participle of εἶμι (eimi, "I go").

Full definition of ion

Noun

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

Derived terms