acoustic waves
nounUK /əˈkuː.stɪk weɪvz/
US /əˈkuː.stɪk weɪvz/
Sound waves that travel through air, water, or other things.
The acoustic waves from the drum reached our ears across the room.
OTHER MEANINGS
2. Waves of pressure that move through a material and can be heard as sound.
Scientists measured the acoustic waves produced by the whale.
3. Vibrations used in devices like ultrasound machines to see inside the body.
The doctor used acoustic waves to check the baby's heartbeat.
4. Waves studied in physics to understand how sound travels and behaves.
In class we learned how acoustic waves bend when they pass through water.