(a.) Of or pertaining to acoustics.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). acoustical. Retrieved September 24, 2026, from http://smartdefine.org/acoustical/definitions/1970535 |
| Chicago | Webster's. 2011. "acoustical" http://smartdefine.org/acoustical/definitions/1970535 (accessed September 24, 2026). |
| Harvard | Webster's 2011, acoustical, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/acoustical/definitions/1970535>. |
| MLA | Webster's. "acoustical" 27 May 2011. Web. 24 September 2026. <http://smartdefine.org/acoustical/definitions/1970535> |