spec. Alchemy. The (supposed or alleged) conversion of one element or substance into another, esp. of a baser metal into gold or silver. Also allus…
| 单词 | θ79478 |
| 释义 | the world > matter > physics > atomic nucleus > radioactivity > change of one element into another > [noun] (3) transmutation1897 spec. Alchemy. The (supposed or alleged) conversion of one element or substance into another, esp. of a baser metal into gold or silver. Also allus… transformation1902 In scientific uses. Physics. Change of one element into another, whether artificially induced or by spontaneous decay. Cf. transmutation, n. 3a. Subcategories:— by stream of particles (1) |
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