ultrasonic
Beyond (higher in frequency than) the range of sound perceptible to the human ear; with a frequency of 20 kilohertz or higher.
Related words
- nonultrasonic
- ultrasonically
- ultrasonic bath
- acousto-ultrasonic
Where this comes from
This definition is adapted from “ultrasonic” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.