'Ionized' definitions:

Definition of 'ionized'

From: WordNet
adjective
Converted totally or partly into ions [syn: ionized, ionised] [ant: nonionic, nonionised, nonionized, unionised, unionized]

Definition of 'Ionized'

From: GCIDE
  • ionize \i"on*ize\, v. t. [imp. & p. p. Ionized; p. pr. & vb. n. Ionizing.] (Physics, Chemistry) To convert (an atom or molecule) into ions, e. g. by dissolving in water, by reaction with acid or alkali, or by interaction with ionizing radiation. See ionization. [Webster 1913 Suppl. +PJC]

Definition of 'ionized'

From: GCIDE
  • ionized \ionized\ adj. converted totally or partly into ions. Opposite of nonionized and unionized. [WordNet 1.5]