unnilennium

== English == === Alternative forms === Une (abbreviation) === Etymology === Systematic element name, from un- +‎ nil- +‎ enn- +‎ -ium. === Noun === unnilennium (uncountable) (dated) meitnerium. ==== Coordinate terms ==== Previous: hassium Hs; Next: darmstadtium Ds ==== Translations ====