back-or·der
                    
                                                                                                              
                                                                                                                                  ˈbak-ˌȯr-dər 
                                                      
                                                          
            
            
              back-ordered; back-ordering; back-orders            
        
    
                                
              
          
                                                      : to assign to the status of back order                                      
                
                    
                                
              
          
                                                      : a business order yet to be fulfilled because stock is unavailable                                      
                
                    
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  Merriam-Webster unabridged




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