Ultrasound (disambiguation)

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 (film), an American independent film
• 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