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n. Ultrasonic sound.

n. Medicine The use of ultrasonic waves for diagnostic or therapeutic purposes, specifically to image an internal body structure, monitor a developing fetus, or generate localized deep heat to the tissues.

n. sound with a frequency greater than the upper limit of human hearing; approximately 20 kilohertz

n. The use of ultrasonic waves for diagnostic or therapeutic purposes

n. using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs

n. very high frequency sound; used in ultrasonography

"The unit is named after the physicist H. H.rtz and is abbreviated H.. Thus the following formula applies to the propagation velocity of the wave: C = fλ = 1/T * λ This equation (wave equation) applies to all wave processes. (ii) Definition of the term ultrasound The frequency of a sound impression (tone) is a direct measure for the pitch of a tone."

infrasound   

sound   

ultrasonic    ultrasonics   

Pound    Sound    abound    aground    around   

ultrasonography    X-ray    CT    tomography    ultrasonic