complex ion

About 0.12 uses per million words.

Meaning

1. noun Any ion containing more than one atom. e.g. sulphate as opposed to sulphide.
2. noun Any ion in which a central metal atom (normally a transition element) is surrounded by a group of ions or molecules (ligands). e.g. ferricyanide.

Similar words

polyion ionic compound diion superion polyanion monoion counterion polycation supercation polychloride