acoustic impedance caused by the internal friction of the transmitting medium.
- Acoustic shock
noun a condition characterized by dizziness and partial hearing loss suffered by some people exposed to sudden loud noises over telephone or radio headsets; associated esp with workers in call centres noun a complaint of damaged hearing as a result of telephone workers wearing headphones or earphones being subjected to excessive, continuous, or high-pitched noise […]
- Acoustic stria
acoustic stria acoustic stria n. See medullary stria of fourth ventricle.
- Acoustic theodolite
an acoustic device that records a continuous vertical profile of ocean currents at a particular site.
- Acoustic torpedo
a torpedo guided by sound that either emanates from the target or is emitted by the torpedo and bounces off the target.
- Acoustic trauma deafness
acoustic trauma deafness acoustic trauma deafness n. The impairment or loss of hearing caused by injury to the inner ear after exposure to extremely loud or prolonged sounds.