| ionisation | |
noun | |
| 1. | the condition of being dissociated into ions (as by heat or radiation or chemical reaction or electrical discharge); "the ionization of a gas" [syn: ionization] |
| 2. | 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 [syn: ionization] |