Ultrasonic
(adjective)
Having a frequency above the upper limit of human hearing (above 20 kHz).
Origin:
From the latin prefix ultra- meaning beyond, and the greek word sonos meaning sound.
Examples:
- Ultrasonic cleaning uses high-frequency sound waves to remove dirt and grime.
- The bat emits ultrasonic calls to navigate and locate prey.
- Ultrasonic imaging is used to create images of internal organs and blood vessels.
- Ultrasonic welding is a process that uses high-frequency sound waves to fuse two pieces of metal together.
- Ultrasonic sensors are used to measure distance and detect objects in industrial and automotive applications.