Pronunciation: (u-kOO'stik), [key]
adj. Also,a•cous'ti•cal.
1. pertaining to the sense or organs of hearing, to sound, or to the science of sound.
2. (of a building material) designed for controlling sound.
3. Music.
a. of, pertaining to, or being a musical instrument whose sound is not electrically enhanced or modified.
b. arranged for or made up of such instruments: an acoustic solo; an acoustic group.

Obs.a remedy for deafness or imperfect hearing.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

acousmaacoustical cloud
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