ultrasound


ul·tra·sound

noun \ˈəl-trə-ˌsand\

Definition of ULTRASOUND

1
: vibrations of the same physical nature as sound but with frequencies above the range of human hearing
2
: the diagnostic or therapeutic use of ultrasound and especially 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 sonography
3
: a diagnostic examination using ultrasound

Examples of ULTRASOUND

  1. They used ultrasound to examine his heart.
  2. She had an ultrasound exam this morning.
  3. She had an ultrasound this morning.
  4. She showed me an ultrasound of her unborn baby.

First Known Use of ULTRASOUND

1923

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