countable
adjective
                                                                                                                            
                                                            count·able
                    
                                                                                                              
                                                                                                                                  ˈkau̇n-tə-bəl  
                                                      
                                                          
            
                                
              
          
                                                      : capable of being counted                                      
                
                                
            especially                
          
                                                      : capable of being put into one-to-one correspondence with the positive integers                                       
              
                             
            a countable set    
                         
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  Merriam-Webster unabridged




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