The scientific study of sound, especially of its generation, transmission, and reception.
The total effect of sound, especially as produced in an enclosed space: "Such annoyances are frequently caused by flaws in the acoustics rather than the performers” ( Mel Gussow).
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.