ultrasound
sound with a frequency greater than the upper limit of human hearing, which is approximately 20 kilohertz.
Other meanings
Ultrasonography.
Medical ultrasonography.
Related words
- nonultrasound
- preultrasound
- teleultrasound
- ultrasonosurgery
Where this comes from
This definition is adapted from “ultrasound” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.