tennessine
noun
                                                                                                                            
                                                            ten·nes·sine
                    
                                                                                                              
                                                                                                                                  ˈte-nə-ˌsēn  
                                                      
                                                          
            
                                
              
          
                                                      : a short-lived artificially produced radioactive element that has 117 protons                                      
                
                  —symbol Ts
    
              
                                                         see Chemical Elements Table                                      
                
                    
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