- Abnormal perception of sound, either in time or in pitch, so that one sound is heard as two. [G. diplous, double, + akousis, a hearing]
* * *dip·la·cu·sis .dip-lə-'kyü-səs n, pl -cu·ses -.sēz the hearing of a single tone as if it were two tones of different pitch
* * *n.perception of a single sound as double owing to a defect of the cochlea in the inner ear.
* * *dip·la·cu·sis (dip″lə-kooґsis) [diplo- + akousis hearing] the perception of a single auditory stimulus as two sounds, as a result of cochlear pathology; called also double disharmonic hearing.
Medical dictionary. 2011.