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
Amber had ultrasounds every day, and doctors were hoping to wait until 18 weeks, mid-May, to do the procedure.
—
Wendy Grossman Kantor, People.com, 14 Aug. 2025
Saunders performed genital ultrasounds on men from his running group in his bedroom under the guise of heart scans.
—Kevin Grasha, The Enquirer, 6 Aug. 2025
The front edge of the robot holds a Sensor Fusion Module that offers ultrasound, Time of Flight (TOF), and infrared sensing capabilities.
—PC Magazine, 6 Aug. 2025
While bitcoin’s primary digital gold narrative was clear and digestible, Ethereum’s was more complex, having been likened to a world computer, a web3 app store, digital silver, digital oil, ultrasound money and more.
—Tanaya MacHeel, CNBC, 30 July 2025
See All Example Sentences for ultrasound
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Wendy Grossman Kantor, People.com, 14 Aug. 2025
Saunders performed genital ultrasounds on men from his running group in his bedroom under the guise of heart scans.
—Kevin Grasha, The Enquirer, 6 Aug. 2025
The front edge of the robot holds a Sensor Fusion Module that offers ultrasound, Time of Flight (TOF), and infrared sensing capabilities.
—PC Magazine, 6 Aug. 2025
While bitcoin’s primary digital gold narrative was clear and digestible, Ethereum’s was more complex, having been likened to a world computer, a web3 app store, digital silver, digital oil, ultrasound money and more.
—Tanaya MacHeel, CNBC, 30 July 2025
See All Example Sentences for ultrasound
Cite this Entry
“Ultrasound.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultrasound. Accessed 23 Aug. 2025.
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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