1. converted into or containing ions; having lost or gained electrons
Usage: British spelling; American English uses 'ionized'; chemistry term

1. past tense and past participle of ionise; to convert into ions or to become ionised
Usage: British spelling; American English uses 'ionized'; chemistry term

Examples

• The ionised gas in the plasma state conducts electricity.
• When salt dissolves in water, it becomes ionised into sodium and chloride ions.
• The radiation ionised the atoms in the sample.
• Ionised particles are attracted to oppositely charged electrodes.
• The atmosphere becomes ionised during a lightning strike.
• The solution contained ionised calcium and phosphate ions.