Definitions for unnilseptiumˌyu nɪlˈsɛp ti əm
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Random House Webster's College Dictionary
un•nil•sep•ti•umˌyu nɪlˈsɛp ti əm(n.)
provisional name for the transuranic element with atomic number 107.
Category: Chemistry, Physics
Ref: Symbol: Uns
Origin of unnilseptium:
1975–80; < L ūn(us)one+nīl nothing +sept(em)seven+ NL -ium -ium2
Wiktionary
unnilseptium(Noun)
bohrium
Origin: Systematic name, literally "element 107".
Citation
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