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
The plan calls for the center to incorporate X-ray machines and ultrasound capabilities.
—
Cindy Krischer Goodman, Sun Sentinel, 27 May 2025
As the time went by, viewers saw the couple — who tied the knot in 2018 — getting ultrasounds, assembling various baby toys and setting up their nursery, which McCreery told PEOPLE was Winnie the Pooh-themed.
—Kayla Grant, People.com, 23 May 2025
Just days after the bombing, the clinic was offering basic ultrasounds at another medical office.
—Rebecca Plevin, Los Angeles Times, 23 May 2025
The rheumatologist orders bloodwork, X-rays, and other imaging tests such as a bone scan, magnetic resonance imaging (MRI), and ultrasound.
—Health, 20 May 2025
See All Example Sentences for ultrasound
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Cindy Krischer Goodman, Sun Sentinel, 27 May 2025
As the time went by, viewers saw the couple — who tied the knot in 2018 — getting ultrasounds, assembling various baby toys and setting up their nursery, which McCreery told PEOPLE was Winnie the Pooh-themed.
—Kayla Grant, People.com, 23 May 2025
Just days after the bombing, the clinic was offering basic ultrasounds at another medical office.
—Rebecca Plevin, Los Angeles Times, 23 May 2025
The rheumatologist orders bloodwork, X-rays, and other imaging tests such as a bone scan, magnetic resonance imaging (MRI), and ultrasound.
—Health, 20 May 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 1 Jun. 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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