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tennessine

noun
ten·​nes·​sine | \ ˈte-nə-ˌsēn How to pronounce tennessine (audio) \

Definition of tennessine

: a short-lived artificially produced radioactive element that has 117 protons —symbol Ts — see Chemical Elements Table

First Known Use of tennessine

2016, in the meaning defined above

History and Etymology for tennessine

Tenness(ee) (the location of Oak Ridge National Laboratory, Vanderbilt University, and the University of Tennessee, which played roles in its production) + -ine entry 2

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The first known use of tennessine was in 2016

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