ultrasound
noun
ul·tra·sound
ˈəl-trə-ˌsau̇nd 
plural ultrasounds
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, ultrasonography
3
: a diagnostic examination using ultrasound
The patient was scheduled for an abdominal ultrasound.
prenatal ultrasounds
Examples of ultrasound in a Sentence
They used ultrasound to examine his heart.
She had an ultrasound exam this morning.
She had an ultrasound this morning.
She showed me an ultrasound of her unborn baby.
Recent Examples on the Web
Secondly, the petals excel at scattering sound waves, making the particles easier to image via ultrasound (they can also be coated with light-absorbing molecules, boosting their visibility via optoacoustic imaging).
—
Ben Coxworth, New Atlas, 12 Dec. 2024
Now, Michelle runs a nonprofit offering bereavement and burial services for families as well as partnerships with clinics to offer free ultrasounds and postpartum needs.
—Nancy Borowick, NPR, 11 Dec. 2024
You may be given a liver ultrasound to be sure there aren't any masses in the organ and to ensure that the larger bile ducts aren't entirely blocked.
—Brittany Risher, SELF, 6 Dec. 2024
What started out as a ultrasound in February turned into biopsies and a breast cancer diagnosis.
—Nicole Villalpando, Austin American-Statesman, 4 Dec. 2024
See all Example Sentences for ultrasound 
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Ben Coxworth, New Atlas, 12 Dec. 2024
Now, Michelle runs a nonprofit offering bereavement and burial services for families as well as partnerships with clinics to offer free ultrasounds and postpartum needs.
—Nancy Borowick, NPR, 11 Dec. 2024
You may be given a liver ultrasound to be sure there aren't any masses in the organ and to ensure that the larger bile ducts aren't entirely blocked.
—Brittany Risher, SELF, 6 Dec. 2024
What started out as a ultrasound in February turned into biopsies and a breast cancer diagnosis.
—Nicole Villalpando, Austin American-Statesman, 4 Dec. 2024
See all Example Sentences for ultrasound
Articles Related to ultrasound
Dictionary Entries Near ultrasound
Cite this Entry
“Ultrasound.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultrasound. Accessed 21 Dec. 2024.
Copy CitationKids Definition
ultrasound
noun
ul·tra·sound
ˈəl-trə-ˌsau̇nd
1
: ultrasonic vibrations
2
: the use of ultrasound for medical diagnosis or treatment and especially a technique involving the formation of a two-dimensional image used for examining internal body structures and detecting abnormalities in the body
Medical Definition
ultrasound
1 of 2 noun
ul·tra·sound
ˈəl-trə-ˌsau̇nd
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 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
: a diagnostic examination using ultrasound
ultrasound
2 of 2 adjective
: of, relating to, performed by, using, or specializing in ultrasound
an ultrasound technician
ultrasound imaging
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