Definitions for unnilpentiumˌyu nɪlˈpɛn ti əm
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Random House Webster's College Dictionary
un•nil•pen•ti•umˌyu nɪlˈpɛn ti əm(n.)
provisional name for the transuranic element with atomic number 105.
Category: Chemistry, Physics
Ref: Symbol: Unp; Also called hahnium.
Origin of unnilpentium:
1975–80; < L ūn(us)one+nīl nothing + Gk pént(e)five+ NL -ium -ium2
Wiktionary
unnilpentium(Noun)
dubnium
Origin: Systematic name, literally "element 105".
Citation
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