1. One of the elements which appear at the poles, when a body is subjected to electro-chemical decomposition.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• ioen,
• viion,
• poion,
• idon,
• usion,
• neion,
• isna,
• hon,
• kon,
• inoy,
• ision,
• inone,
• iphon,
• opion,
• idion,
• icaon,
• ohion,
• ios,
• ipone,
• konw

• icon,
• ionia,
• eon,
• inn,
• don,
• ton,
• -ian,
• Iona,
• in-,
• lion,
• won,
• iron,
• non-,
• -ion,
• iowan,
• Mon.,
• in,
• Ione,
• on,
• con-,
• son.

The adjective form of the word "ion" is "ionic".

The plural of the "ion" can be the "ions".

The singular of the "ion" can be the "ion".