![](http://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/40px-Wiktionary-logo-en-v2.svg.png)
Look up ultrasound in Wiktionary, the free dictionary.
Ultrasound is sound with frequencies greater than 20 kHz.
Ultrasound may also refer to:
- Medical ultrasound, ultrasound-based diagnostic techniques
- Ultrasound (film), a 2021 American science fiction film
- Ultrasound (band), an English rock band
- Gravis UltraSound, a PC sound card
- "Ultrasound", a song by Eraserheads from the 2001 album Carbon Stereoxide