| 释义 |
lanthanide/ˈlænθənaid/n. (also 亦作 lanthanoid /-nɔid/) Chem. any of a series of fifteen mainly soft, reactive metallic elements with similar chemical properties, from lanthanum to lutetium in the periodic table (cf. 参见 RARE EARTH) 【化】镧系元素(指具有相同化学成分，大多质软，易起反应的金属元素，该系共有 15 种，在周期表上从镧至镥) [German Lanthanid (as LANTHANUM)] |