Deaf
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Deaf (IPA: /dɛf/)
The term Deaf refers to a condition characterized by a lack of or significant loss in hearing ability. It can be congenital, meaning present from birth, or acquired later in life due to various causes such as disease, injury, or aging.
Etymology
The word "deaf" comes from the Old English deaf, which is akin to the Old High German toub, both meaning "deaf". The term has been in use since before the 12th century.
Related Terms
- Hearing loss: A partial or total inability to hear. It can be mild, moderate, severe, or profound, to the point of total deafness.
- Audiology: The branch of science that studies hearing, balance, and related disorders.
- Cochlear implant: A surgically implanted electronic device that provides a sense of sound to a person who is profoundly deaf or severely hard of hearing.
- Sign language: A language which uses manual communication and body language to convey meaning, as used by the Deaf community.
- Deaf culture: The set of social beliefs, behaviors, art, literary traditions, history, values, and shared institutions of communities that are influenced by deafness and which use sign languages as the main means of communication.
See Also
External links
- Medical encyclopedia article on Deaf
- Wikipedia's article - Deaf
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