ultrasound

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noun ul·tra·sound \ˈəl-trə-ˌsau̇nd\

Definition of ultrasound

  1. 1 :  vibrations of the same physical nature as sound but with frequencies above the range of human hearing

  2. 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. 3 :  a diagnostic examination using ultrasound

Examples of ultrasound in a sentence

  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.

1923

First Known Use of ultrasound

1923


ULTRASOUND Defined for English Language Learners

ultrasound

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noun ul·tra·sound \ˈəl-trə-ˌsau̇nd\

Definition of ultrasound for English Language Learners

  • : a type of sound that is too high for humans to hear

  • medical : a method of producing images of the inside of the body by using a machine that produces sound waves which are too high to be heard

  • : an image that is made using ultrasound


Medical Dictionary

1

ultrasound

play
noun ul·tra·sound \ˈəl-trə-ˌsau̇nd\

Medical Definition of ultrasound

  1. 1:  vibrations of the same physical nature as sound but with frequencies above the range of human hearing—compare infrasound

  2. 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 echography, sonography, ultrasonography

  3. 3:  a diagnostic examination using ultrasound


2

ultrasound

adjective ul·tra·sound

Medical Definition of ultrasound

  1. :  of, relating to, performed by, using, or specializing in ultrasound an ultrasound technician ultrasound imaging



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