Also found in: Dictionary, Thesaurus, Encyclopedia.
Related to acoustic trauma: Temporary Threshold Shift
a sudden loss of hearing, partial or complete, caused by an extremely loud noise, a severe blow to the head, or other trauma. The greatest loss of hearing occurs at 4000 Hz. It may be temporary or permanent. Compare noise-induced hearing loss.
acoustic traumaA type of sensory hearing loss due to injury to the hearing mechanisms in the inner ear, caused by very loud noise.
Partial, generally slowly progressive hearing loss, especially for high-pitched sounds, accompanied by ringing or other noises.
Injury to hearing by noise, esp. loud noise.
See also: trauma