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ultrasonic wave |
Also found in: Medical, Wikipedia, Hutchinson | 0.03 sec. |
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ultrasonic wave [¦əl·trə′sän·ik ′wāv] (acoustics) A sound wave that has a frequency above about 20,000 hertz. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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6MHz ultrasonic waves from the compact head to effectively remove plaque. I am curious to know if there's a difference between the ultrasonic waves mentioned in your article and those in ultrasound exams of pregnant women. The system sends out ultrasonic waves eight times per second, detecting obstacles within a 150-degree horizontal field behind the vehicle |
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