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unniloctium

American  
[yoo-ni-lok-tee-uhm] / ˌyu nɪˈlɒk ti əm /

noun

Chemistry, Physics.
  1. the systematic element name for element 108 before being named hassium. Uno


Etymology

Origin of unniloctium

First recorded in 1980–85; from Latin ūn(us) “one” + nil ( def. ) “zero” + oct(o-) “eight” + -ium ( def. )