释义 |
atomic number 71 ThesaurusNoun | 1. | atomic number 71 - a trivalent metallic element of the rare earth group; usually occurs in association with yttriumLu, lutecium, lutetiummetal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. |
atomic number 71 Related to atomic number 71: CassiopeiumSynonyms for atomic number 71noun a trivalent metallic element of the rare earth groupSynonymsRelated Words |