Английский разговорный словарь (основной) - radiation

ˌreɪdɪˈeɪʃən n. 1 the act or an instance of radiating; the process of being radiated. 2 Physics a the emission of energy as electromagnetic waves or as moving particles. b the energy transmitted in this way, esp. invisibly. 3 (in full radiation therapy) treatment of cancer and other diseases using radiation, such as X-rays or ultraviolet light. øradiation chemistry the study of the chemical effects of radiation on matter. radiation sickness sickness caused by exposure to radiation, such as X-rays or gamma rays. øøradiational adj. radiationally adv. [L radiatio (as RADIATE)]