unnilhexium

American  

[yoo-nil-hek-see-uhm] / ˌju nɪlˈhɛk si əm /

noun

Chemistry, Physics.

1. the systematic element name for element 106 before being named seaborgium. Unh

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Etymology

Origin of unnilhexium

First recorded in 1975–80; from Latin ūn(us) “one”+ nil ( def. ) “zero” + Greek héx “six” + -ium ( def. )