Definition of Hearing aid
Hearing aid: An instrument to help in hearing. There are four common styles of hearing aids.
From largest to smallest, they are:
There is also a body hearing aid for very severe hearing loss. In general, hearing aids should ideally be binaural (in both ears), if the hearing loss involves both ears.Source: MedTerms™ Medical Dictionary
Last Editorial Review: 6/14/2012
Medical Dictionary Definitions A - Z
Search Medical Dictionary
eMedicineHealth Top News
Find out what women really need.
Most Popular Topics
Pill Identifier on RxList
- quick, easy,
Find a Local Pharmacy
- including 24 hour, pharmacies