Ultrasound is sound with a frequency greater than the upper limit of human hearing.
Ultrasonic is an adjective referring to ultrasound.
Ultrasound and ultrasonic may also refer to:
Medical Sonography, sometimes called Medical ultrasonography, an ultrasound-based diagnostic imaging technique
The Ultrasonics, a dance band
Ultrasound (band), a rock band
Gravis Ultrasound, a sound card for the PC
Ultrasonics, a trade term for the use of high-intensity acoustic energy to change materials
Ultrasonic testing, a technique of Non-destructive testing
Ultrasonic cleaning
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