English word autoion comes from English auto-, English ion
| Dictionary entry | Language | Definition |
|---|---|---|
| auto- | English (eng) | (from automatic) automatic. (from automobile) relating to cars or the driving of cars. Regarding oneself. |
| ion | English (eng) | An atom or group of atoms bearing an electrical charge, such as the sodium and chlorine atoms in a salt solution. |
| autoion | English (eng) | (rare, physics) An ion which has been formed by autoionization. |