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  1. Ultrasound - Wikipedia

    An ultrasonic examination Ultrasound is sound with frequencies greater than 20 kilohertz. [1] This frequency is the approximate upper audible limit of human hearing in healthy young adults. The …

  2. Ultrasonics | Physics, Sound Waves & Applications | Britannica

    Jun 16, 2026 · Ultrasonics, vibrations of frequencies greater than the upper limit of the audible range for humans—that is, greater than about 20 kilohertz. The term sonic is applied to ultrasound waves of …

  3. Ultrasonics | Journal | ScienceDirect.com by Elsevier

    Ultrasonics is the only internationally established journal which covers the entire spectrum of ultrasound research, technology, and applications. It contains a variety of sections to keep its readers abreast of …

  4. What Are Ultrasonic Waves and How Do They Work?

    Dec 6, 2025 · Ultrasonic technology is also found in many consumer and commercial devices, leveraging the mechanical effects of the waves. Ultrasonic cleaning devices use the principle of …

  5. Do Ultrasonic Pest Repellers Work? - This Old House

    Apr 17, 2026 · Do ultrasonic pest repellers actually work? Learn why results are inconsistent with these devices and which pest control methods are more effective for long-term results.

  6. Basic Principles of Ultrasound – Ultrasound Physics and its ... - PALNI

    After reviewing this chapter, you should be able to do the following: Define ultrasound and describe its characteristics as a form of energy. Explain the principles of sound wave propagation, including …

  7. ULTRASONIC Definition & Meaning - Merriam-Webster

    Jun 7, 2026 · The meaning of ULTRASONIC is having a frequency above the human ear's audibility limit of about 20,000 hertz —used of waves and vibrations. How to use ultrasonic in a sentence. Did you …

  8. Ultrasonic Sound - HyperPhysics

    Ultrasonic Sound

  9. How does ultrasound work? | Uses of ultrasound - Explain that Stuff

    Aug 6, 2023 · A simple explanation of ultrasound (ultrasonics) and its uses in medicine, science, and other fields.

  10. Ultrasonic Flow Meters - Badger Meter

    Ultrasonic flow meters are inferential meters that utilize ultrasonic technology to measure the velocity of an acoustically conductive liquid. These meters come in two types: Doppler and transit time. In …