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Definition of Ununennium
1. Noun. The systematic element name for the (as yet undiscovered) chemical element with an atomic number of 119 (''symbol'' Uue). ¹
¹ Source: wiktionary.com
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1. Noun. The systematic element name for the (as yet undiscovered) chemical element with an atomic number of 119 (''symbol'' Uue). ¹
¹ Source: wiktionary.com