Dictionary![]() ![]() a•cous•ticPronunciation: (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. —n. Obs.a remedy for deafness or imperfect hearing. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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