[ ten-uh-seen ]

nounChemistry, Physics.
  1. a superheavy, synthetic, radioactive element with a short half-life. Symbol: Ts; atomic number: 117.

Origin of tennessine

Named in 2016 ; after Tennessee (location of Vanderbilt University) + -ine2
  • Formerly un·un·sep·ti·um [uhn-uhn-sep-tee-uhm], /ˌʌn ənˈsɛp ti əm/, element 117 .

Words Nearby tennessine

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