the reduction in intensity, at one ear, of an acoustic stimulus presented to the other ear canal as the sound is transmitted through the head; for air conduction, the reduction approximates 35 dB, but for bone conduction, it is 10 dB or less.
Farlex Partner Medical Dictionary © Farlex 2012
in·ter·au·ral at·ten·u·a·tion(in'tĕr-awr'ăl ă-ten'yū-ā'shŭn)
The reduction in intensity the head provides sound presented to one ear canal before it gets to the other ear; for air conduction, the reduction approximates 35 dB, but for bone conduction, it is only about 10 dB.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012