Weber test
noun
                                                                                
                                                            We·ber test
                    
                                                        
            
            variants  
 or Weber's test    
        
    
                                
              
          
                                                      : a test to determine the nature of unilateral hearing loss in which a vibrating tuning fork is held against the forehead at the midline and conduction deafness is indicated if the sound is heard more loudly in the affected ear and nerve deafness is indicated if it is heard more loudly in the normal ear                                      
                
                    
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  Merriam-Webster unabridged




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