Audiologist
the scientific term for hearing loss is presbycusis
The scientific term for deafness is "hearing loss" or "hearing impairment." It can be categorized based on the severity and type, such as conductive hearing loss, sensorineural hearing loss, or mixed hearing loss.
Hearing disorders range from a temporary, partial loss of hearing to the permanent loss of hearing known as deafness.
Hypoacusis is the medical term meaning hearing loss.
long-term
audiology
Audiologist
Audiologist
This is the term used to describe the hearing that remains after a hearing loss occurs. Most people with significant hearing loss still have some residual hearing that can be stimulated by amplifying sound using a hearing aid. . www.medel.com.ar/ENG/US/50_Resources/010_glossary.asp
Long term throat infections can close off the drainage tubes for the ears, this causes ear infections that can lead to hearing loss if not properly treated
In conductive hearing loss, sound is not conducted to the middle ear. Otosclerosis is one cause of conductive hearing loss; tympanic membrane rupture is another.
The term "a spell of deafness" can mean a period of temporary hearing loss. A "spell of deafness" would mean casting a spell to make someone deaf. The "spelling of deafness" is correct in the question (loss of hearing).