ultrasonic

Also Ultrasound. Vibrations above the audible range of human hearing (18 kHz and higher). (Thomas, Ralph H.; Ultrasonics in Packaging and Plastics Fabrication; 1974, Cahners Publishing Company, Inc., 89 Franklin Street, Boston, Mass. 02110)

See Also

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15.09 - Dissociating Water with Ultrasonic Vibration - Puharich

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