| 单词 | lanthanide |
| 释义 | lanthanide (extremely rare) n WORD FAMILY lanthanide USAGE EXAMPLESThe 15 lanthanide metals, or rare-earth elements, are used in magnets, in renewable-energy technologies and as catalysts in petroleum refining. Nature(Apr 25, 2016) Alloying platinum with lanthanide elements compresses its surface layer and boosts its oxygen reduction activity. Science Magazine(Mar 31, 2016) n any element of the lanthanide series (atomic numbers 57 through 71) Syn|Hypo|Hyper lanthanoid, lanthanon, rare earth, rare-earth element terbium metal a separate group of related lanthanides, including terbium, europium, gadolinium, and sometimes dysprosium group, grouping any number of entities (members) considered as a unit |
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