From Longman Dictionary of Contemporary Englishradiation sicknessradiˈation ˌsickness noun [uncountable] MIan illness that is caused when your body receives too much radiation
Examples from the Corpus
radiation sickness• For some, the visit is a welcome break from medical treatment they're receiving for radiation sickness.• Another 237 people were treated for radiation sickness, some of whom needed bone-marrow transplants to restore their white blood-cell count.• Many were orphaned by the disaster, others still suffer radiation sickness.