| 单词 | lanthanide series |
| 释义 | lanthanide series in British Englishnoun a class of 15 chemically related elements with atomic numbers from 57 (lanthanum) to 71 (lutetium) lanthanide series in American Englishnoun Chemistry the series of rare-earth elements of atomic numbers 57 through 71 (lanthanum through lutetium) Word origin [1940–45]Examples of 'lanthanide series' in a sentence |
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