amphiaster
noun
                                                                                                                            
                                                            am·phi·as·ter
                    
                                                                                                              
                                                                                                                                  ˈam-fē-ˌas-tər 
                                                      
                                                          
            
                                
              
          
                                                      : the achromatic figure of mitotic cell division especially in animal cells in which two asters are connected by a spindle                                      
                
                    
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  Merriam-Webster unabridged




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