Definitions

1. adjective

relating to sound or the sense of hearing, especially in relation to the production and transmission of sound

“The concert hall had excellent acoustic properties.”

2. noun

a sound or sounds produced by a particular instrument or voice, especially a singer’s voice

“Her acoustic rendition of the song was mesmerizing.”

3. noun

a branch of physics that deals with the properties and behavior of sound

“The study of acoustics led to the development of new soundproofing materials.”