radiologicalEnglishOxford New American Dictionaryradiological /ˌrādēəˈläjək(ə)l, ˌreɪdiəˈlɑdʒək(ə)l / (also radiologic) ▸ adjective relating to the science of X-rays and other high-energy radiation: fears of radiological contamination radiological technicians. – DERIVATIVES radiologically /ˌrādēəˈläjik(ə)lē, ˌreɪdiəˈlɑdʒɪk(ə)li / adverb