radiation [ˌreɪ.di'eɪ.ʃən] noun uncountable ADVANCED ■a form of energy that comes from a nuclear reaction and that can be very dangerous to health (核)辐射•Many servicemen suffered radiation sickness after the early atomic tests.很多军人在早期的原子弹试爆后患上了辐射病。 ADVANCED ■energy from heat or light that you cannot see (光或热的)辐射(能)•microwave/ultraviolet/electromagnetic radiation微波/紫外线/电磁辐射 |