单词 | didymium |
释义 | Word Frequency didymium(daɪˈdɪmɪəm, dɪ-) noun 1. a mixture of the metallic rare earths neodymium and praseodymium, once thought to be an element 2. a mixture of rare earths and their oxides used in colouring glass Word origin C19: from New Latin, from Greek didumos twin + -ium |
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