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unnilennium

[ yoo-ni-len-ee-uhm ]
/ ˌyu nɪˈlɛn i əm /
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noun Chemistry, Physics.
former name of meitnerium. Symbol: Une
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Also called element 109 .

Origin of unnilennium

From Latin ūn(us) “one” + nīl “nothing” + Greek enn(ė́a) “nine” + New Latin -ium; see origin at one, nil, nine, -ium
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
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