Search Result for "acoustical": 
Wordnet 3.0

ADJECTIVE (1)

1. of or relating to the science of acoustics;
- Example: "acoustic properties of a hall"
[syn: acoustic, acoustical]



The Collaborative International Dictionary of English v.0.48:

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


WordNet (r) 3.0 (2006):

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