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unnilpentiumenUK
unnilpentium (ˌjuːnɪlˈpɛntɪəm) n (Chemistry) chem a name proposed by the IUPAC for the element dubniumun•nil•pen•ti•um (ˌyu nɪlˈpɛn ti əm)
n. provisional name for the transuranic element with atomic number 105. Symbol: Unp Also called hahnium. [1975–80; < Latin ūn(us) one + nīl nothing + Greek pént(e) five + New Latin -ium -ium2] TranslationsEncyclopediaSeedubniumAcronymsSeeUNP |