noun. ['ˈaɪˌɑːn, ˈaɪən'] a particle that is electrically charged (positive or negative); an atom or molecule or group that has lost or gained one or more electrons.
- subatomic particle
- ἰόν (Ancient Greek (to 1453))
Rhymes with Ion
Sentences with ion
1. Noun, singular or mass
Each “group” of the periodic table is associated with a different ion charge.