ultrasound

(ultrə so̵und′)

noun

  1. ultrasonic waves, used in medical and dental diagnosis and therapy, in cleaning and detecting flaws in metal, etc.
  2. the use of ultrasonic waves in ultrasonography to form images of interior body organs, as the uterus or heart

See ultrasound in American Heritage Dictionary 4

noun
  1. Ultrasonic sound.
  2. 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.

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