Of a substance, object, atomic nucleus, etc.: having an inherent tendency to undergo spontaneous nuclear transformation (decay) involving the…
| 单词 | θ79570 |
| 释义 | the world > matter > physics > atomic nucleus > radioactive isotope > radioactive nuclide > [adjective] > capable of spontaneous decay (2) radioactive1898 Of a substance, object, atomic nucleus, etc.: having an inherent tendency to undergo spontaneous nuclear transformation (decay) involving the… active1899 Physics. = radioactive, adj. 1. |
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