Acoustical

from WordNet (r) 3.0 (2006)

acoustical
    adj 1: of or relating to the science of acoustics; "acoustic
           properties of a hall" [syn: {acoustic}, {acoustical}]

from The Collaborative International Dictionary of English v.0.48

Acoustical \A*cous"tic*al\, a.
   Of or pertaining to acoustics.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

20 Moby Thesaurus words for "acoustical":
      acoustic, audible, audile, audio, auditory, aural, auricular,
      hearing, hypersonic, otic, otological, otopathic, otoscopic,
      phonic, sonic, subsonic, supersonic, transonic, transsonic,
      ultrasonic

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