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[yoo-ni-lok-tee-uh m] /ˌyu nɪˈlɒk ti əm/
noun, Chemistry, Physics.
former name of hassium. Symbol: Uno.
Also called element 108. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Encyclopedia Article for unniloctium


an artificially produced element belonging to the transuranium group, atomic number 108. It was synthesized and identified in 1984 by West German researchers at the Institute for Heavy Ion Research (Gesellschaft fur Schwerionenforschung [GSI]) in Darmstadt. On the basis of its position in the periodic table of the elements, it is expected to have chemical properties similar to those of osmium.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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