quin·tu·pli·cate
                    
                                                                                                              
                                                                                                                                  kwin-ˈtü-pli-kət  
                                                                                                                              
            -ˈtyü-
                                                      
                                                          1
                    
                                          
              
          
                                                      : consisting of or existing in five corresponding or identical parts or examples                                      
              
                             
quintuplicate invoices
                         
                
                    2
                    
                                          
              
          
                                                      : being the fifth of five things exactly alike                                      
              
                             
file the quintuplicate copy
                         
                
                    1
                    
                                          
              
          
                                                      : one of five things exactly alike                                      
                
                                
            specifically                
          
                                                      : one of five identical copies                                      
            
            2
                    
                                          
              
          
                                                      : five copies all alike                                      
                
                  —used with in
typed in quintuplicate
    
                
                    
                                                                                                                            
                                                            quin·tu·pli·cate
                    
                                                                                                              
                                                                                                                                  kwin-ˈtü-plə-ˌkāt  
                                                                                                                              
            -ˈtyü-
                                                      
                                                          
            
              quintuplicated; quintuplicating            
        
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  Merriam-Webster unabridged




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