单词 | lanthanoid |
释义 | lanthanoid (extremely rare) n WORD FAMILY lanthanoid n any element of the lanthanide series (atomic numbers 57 through 71) Syn|Hypo|Hyper lanthanide, 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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