acous·tic /əˈkustɪk/
  (a.)聽覺的,聲學的,音響學的
  acous·tic /-stɪkəl/ 形容詞
  聽覺的,聽的,聽力的,聲學的,聲音的,聽神經的
  acoustic
  聲學的
  acoustic
  聲響
  A·cous·tic a.  Pertaining to the sense of hearing, the organs of hearing, or the science of sounds; auditory.
  Acoustic duct, the auditory duct, or external passage of the ear.
  Acoustic telegraph, a telegraph making audible signals; a telephone.
  Acoustic vessels, brazen tubes or vessels, shaped like a bell, used in ancient theaters to propel the voices of the actors, so as to render them audible to a great distance.
  A·cous·tic, n. A medicine or agent to assist hearing.
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  acoustic
       adj : of or relating to the science of acoustics; "acoustic
             properties of a hall" [syn: acoustical]
       n : a remedy for hearing loss or deafness