释义 |
atomic number 61 ThesaurusNoun | 1. | atomic number 61 - a soft silvery metallic element of the rare earth group having no stable isotope; was discovered in radioactive form as a fission product of uraniumpromethium, Pmmetal, 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 61
Synonyms for atomic number 61noun a soft silvery metallic element of the rare earth group having no stable isotopeSynonymsRelated Words |