柯林斯詞典gamma radiation 1. N electromagnetic radiation emitted by atomic nuclei; the wavelength is generally in the range 1?×?10–10 to 2?×?10–13 metres 伽瑪射線 返回 gamma radiation劍橋詞典a type of radiation with a very short wavelength that passes through most solid objects γ輻射 返回 gamma radiation