1. the scientific study of sound and its properties
Usage: physics
2. the qualities of a room or building that affect how sound is heard in it

Examples

• She studied acoustics in her physics program.
• The acoustics professor explained how sound waves travel.
• The concert hall has excellent acoustics.
• The acoustics in the old theater made it hard to hear the actors.
• They hired an expert to improve the acoustics of the recording studio.
• The church’s acoustics create a beautiful echo when the choir sings.