unnilpentium

[ yoo-nil-pen-tee-uhm ]

Phonetic (Standard)IPA

noun

Chemistry, Physics.

the systematic element name for element 105 before being named dubnium. : Unp

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First recorded in 1980–85; from Latin ū��(�ܲ�) “one” + nil ( def ) “zero” + Greek ��é�Գ�(��) “five” + -ium ( def )

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