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
Ferroelectric materials power technologies that quietly influence everyday life, ranging from infrared cameras and medical ultrasounds to computer memory and precision actuators.
—
Neetika Walter, Interesting Engineering, 14 Nov. 2025
There’s been a lot of talk about new technologies in rhinoplasty (surgery to reshape the nose) — 3D imaging, ultrasound devices, digital simulations, all promising more precision and better outcomes.
—Carlos Wolf, Miami Herald, 13 Nov. 2025
Before my husband made it to the hospital, a team of doctors came into my room and told me that a CT scan revealed a large mass on my pancreas, and an abdominal ultrasound revealed that the cancer had metastasized to my liver.
—Wendy Grossman Kantor, PEOPLE, 12 Nov. 2025
But because miscarriage is a high-stakes diagnosis and not all doctors are trained in early pregnancy ultrasound, the ER may not be able to answer all your questions.
—NPR, 11 Nov. 2025
See All Example Sentences for ultrasound
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Neetika Walter, Interesting Engineering, 14 Nov. 2025
There’s been a lot of talk about new technologies in rhinoplasty (surgery to reshape the nose) — 3D imaging, ultrasound devices, digital simulations, all promising more precision and better outcomes.
—Carlos Wolf, Miami Herald, 13 Nov. 2025
Before my husband made it to the hospital, a team of doctors came into my room and told me that a CT scan revealed a large mass on my pancreas, and an abdominal ultrasound revealed that the cancer had metastasized to my liver.
—Wendy Grossman Kantor, PEOPLE, 12 Nov. 2025
But because miscarriage is a high-stakes diagnosis and not all doctors are trained in early pregnancy ultrasound, the ER may not be able to answer all your questions.
—NPR, 11 Nov. 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 24 Nov. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share