Ion

//ˈaɪ.ɑn// name, noun, phrase, slang

name, noun, phrase, slang ·Common ·High school level

Definitions

Noun
  1. 1
    An atom or group of atoms bearing an electrical charge, such as the sodium and chlorine atoms in a salt solution.
  2. 2
    a particle that is electrically charged (positive or negative); an atom or molecule or group that has lost or gained one or more electrons wordnet
Phrase
  1. 1
    I don't. slang

    "ion know what 2 do"

Proper Noun
  1. 1
    Son of Creusa and Xuthus, and the ancestor of Ionian people. Greek
  2. 2
    A surname from Romanian.
  3. 3
    Ion of Chios, a Greek writer, dramatist, lyric poet and philosopher of the Pythagorean school

Example

More examples

"Suffixes, 1: "-ion" creates nouns that show the meaning of 'action, state, process, results,' and so on."

Etymology

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.

Etymology 2

From a reduction of I don't.

Etymology 3

From Ancient Greek Ἴων (Íōn).

Etymology 4

Borrowed from Romanian Ion.

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.