ionic

Of, containing, or involving ions.

In physical chemistry, of or pertaining to an ion or the ions which carry an electric current in electrolysis: see Arrhenius’s theory of electrolytic or ionic dissociation.

Of, pertaining, or relating to the Iones or Ionians as a race, or to one of the regions named from them, Ionia or the Ionian Islands: as, the Ionic dialect or school; the Ionic order.

In ancient prosody, constituting a foot of two long syllables followed by two shorts, or vice versa; pertaining to or consisting of such feet: as, an Ionic foot, colon, verse, or system; Ionic rhythm.

In prosody: An Ionic foot.

An Ionic verse or meter.

Of or pertaining to ions; composed of ions, containing ions, or breaking down into ions when dissolved in a polar solvent. Opposite of nonionic.

A foot consisting of four syllables: either two long and two short, — that is, a spondee and a pyrrhic, in which case it is called the greater Ionic; or two short and two long, — that is, a pyrrhic and a spondee, in which case it is called the smaller Ionic.

A verse or meter composed or consisting of Ionic feet.