acoustic
adjectiveUK /əˈkuː.stɪk/
US /əˈkuː.stɪk/
Acoustic means sound that you can hear with your ears.
She played an acoustic guitar at the campfire.
RELATED WORDS
OTHER MEANINGS
2. A guitar or other instrument that makes sound without electricity.
He brought his acoustic to the party.
3. Related to the science of sound.
The room was designed with acoustic panels to reduce echo.
4. The way sound behaves in a room or building.
The concert hall has wonderful acoustics.