| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Hearing Loss, Partial | Health | A condition in which the sense of hearing, although defective, is functional with or without a hearing aid. The hearing loss may affect one or both ears. The normal hearing level for speech is approximately 40-70 decibels I. S. O. (International Organization for Standardization) or 30-60 db A. S. A. (American Standards Association). (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||