unnilpentium

[ yoo-nil-pen-tee-uhm ]

nounChemistry, Physics.
  1. the systematic element name for element 105 before being named dubnium. Symbol: Unp

Origin of unnilpentium

1
First recorded in 1980–85; from Latin ūn(us) “one” + nil “zero” + Greek pént(e) “five” + -ium

Words Nearby unnilpentium

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023