au·di·ol·o·gy 
(ô′dē-ŏlə-jē)
(ô′dē-ŏlə-jē)n.
The study of hearing, especially hearing defects and their treatment.
au′di·o·logi·cal (-ə-lŏjĭ-kəl) adj.
au′di·olo·gist n.
- sphenodon
- sphenogram
- sphenoid
- sphenoidal
- sphenoid bone
- spher-
- spher-
- spheral
- sphere
- sphere of influence
- spheric
- spherical
- spherical aberration
- spherical angle
- spherical coordinate
- spherical excess
- spherical geometry
- spherically
- sphericalness
- spherical polygon
- spherical triangle
- spherical trigonometry
- sphericity
- spherics
- spherics