Ionization

[,aɪənaɪ'zeɪʃən] or [,aɪənɪ'zeʃən]

Definition

(noun.) the process of ionizing; the formation of ions by separating atoms or molecules or radicals or by adding or subtracting electrons from atoms by strong electric fields in a gas.

(noun.) the condition of being dissociated into ions (as by heat or radiation or chemical reaction or electrical discharge); 'the ionization of a gas'.

Typist: Psyche--From WordNet