ion
1. [ noun ] (chemistry,physics) a particle that is electrically charged (positive or negative); an atom or molecule or group that has lost or gained one or more electrons
Related terms: atom particle anion ammonium cation calcium_ion ionate
2. [ noun ] Last name, frequency rank in the U.S. is 31793
Similar spelling:   Ione
  Iona
  Iowan
  Ionia