tennessine


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ten·nes·sine

(tĕn′ə-sēn′)
n. Symbol Ts
An artificially produced radioactive element with atomic number 117 whose most stable isotopes have a mass number of 293 and 294, with the lighter, more stable isotope having a half-life of less than 90 milliseconds.

[Tenness(ee) + -ine (so called because members of the team involved in its synthesis were associated with the Oak Ridge National Laboratory; the University of Tennessee, Knoxville; and Vanderbilt University, all in Tennessee).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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References in periodicals archive ?
Phelps purified the berkelium-249 that was used in the discovery and identification of Tennessine (element 117), named after the location of the lab where she works.
In 2016, four new elements were added to it: nihonium, moscovium, tennessine, and oganesson.
They were, Curium - (Marie & Pierre Curie); Californium - (first produced in California); Einsteinium - (Albert); Fermium - (Enrico Fermi, Physicist); Mendelevium - (Dmitri Mendeleev); Bohrium - (Neils Bohr, Atomic Physicist); Dubnium - (named after a Russian Town of Dubnia); Tennessine - (Discovered in the National Laboratory of Tennessee).