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n 1  :  vibrations of the same physical nature as sound but with frequencies above the range of human hearing - compare INFRASOUND   2  :  the diagnostic or therapeutic use of ultrasound and esp. a noninvasive technique involving the formation of a two-dimensional image used for the examination and measurement of internal body structures and the detection of bodily abnormalities - called also echography , sonography , ultrasonography   3  :  a diagnostic examination using ultrasound
adj :  of, relating to, performed by, using, or specializing in ultrasound <an technician>  < imaging>  .

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Goodland Regional Medical Center (Goodland, Kansas - Sherman County)