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|Look up ultrasound in Wiktionary, the free dictionary.|
Ultrasound is sound with a frequency greater than the upper limit of human hearing (greater than 20 kHz).
Ultrasonic is an adjective referring to ultrasound.
Ultrasound and ultrasonic may also refer to:
- Medical ultrasonography, an ultrasound-based diagnostic imaging technique
- Ultrasound (band), a rock band
- Gravis Ultrasound, a sound card for the PC
- Ultrasonic sensors and transducers which use ultrasound to measure distance and velocity
- Ultrasonic testing, a technique of non-destructive testing
- Ultrasonic cleaning
- Ultrasonic welding
- Ultrasonic motors, a type of motor that utilizes ultrasonic vibrations
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