multielectrode
adjective
                                                                                                                            
                                                            mul·ti·elec·trode
                    
                                                                                                              
                                                                                                                                  ˌməl-tē-i-'lek-ˌtrōd 
                                                                                                                              
            -ˌtī-
                                                      
                                                          
                                
              
          
                                                      : involving or containing more than one and often many electrodes                                      
              
                             
a multielectrode array
                                       To make speech intelligible—and thus restore the full range of lost hearing—a deaf person may need a multielectrode implant that can excite the nerve fibers with varying levels of electricity.—
Stephen Solomon
                         
                
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  Merriam-Webster unabridged




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