Having to do with sound, the sense of hearing or the science of sound.

Using sound-absorbing materials (such as carpets and acoustical tile) to reduce noise. This makes it easier for hard of hearing people to understand what is being spoken.

A contraction of muscles in the middle ear in response to loud sounds that that produces a stiffening of the eardrum. This helps reduce the damaging effects of loud sounds.

A slow-growing, benign tumor on the auditory and vestibular nerves that develops when cells that cover and insulate the nerves overproduce.

See Air Conduction.

See Auditory Brainstem Response testing.