acoustic

This room simulated the acoustic effects of the open landscape surrounding Stonehenge and compacted ground inside the monument.

George would take out his lyric book and acoustic guitar and play us the song we would be working on that day.

George took his acoustic guitar and began showing me the chord changes, which I nervously wrote out on a chord chart.

Microwave "pain rays" and acoustic crowd dispersal weapons already exist.

The Army suggests that laser, microwave or acoustic weapons are the answer.

It was a lot of bonfires and acoustic guitar and kegs and all that stuff.

Harry would then ask himself if it was not the effect of some acoustic illusion, or some strange and fantastic echo.

Acoustic, a-kowst′ik, adj. pertaining to the sense of hearing or to the theory of sounds: used in hearing, auditory.

They are not responsible for any specific sound or acoustic feature of sounds except, possibly, accent or stress.

The anatomy of the vocal organs, and the acoustic and mechanical principles of the vocal action, are briefly described.

But how could a being without acoustic nerve and without a tympanum hear?