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 diagnosis was confirmed through bloodwork, X-rays, and later through ultrasounds, magnetic resonance imaging (MRI) scans, and bone scans.
—
Eileen Davidson, Health, 15 May 2025
As confetti rained down, Shay took a stroller while Tanner held up an ultrasound image.
—Skyler Caruso, People.com, 15 May 2025
The Columbia researchers are now monitoring 50 women between the ages of 35 and 45 who have taken either rapamycin or a placebo, asking them questions about their mood, memory, and sleep quality, as well as checking their ovarian function through blood work and ultrasounds.
—Anna North, Vox, 6 May 2025
On her doctor’s recommendation, Kotb went in for a mammogram, then an ultrasound.
—Maggie Ryan, Flow Space, 5 May 2025
See All Example Sentences for ultrasound
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Eileen Davidson, Health, 15 May 2025
As confetti rained down, Shay took a stroller while Tanner held up an ultrasound image.
—Skyler Caruso, People.com, 15 May 2025
The Columbia researchers are now monitoring 50 women between the ages of 35 and 45 who have taken either rapamycin or a placebo, asking them questions about their mood, memory, and sleep quality, as well as checking their ovarian function through blood work and ultrasounds.
—Anna North, Vox, 6 May 2025
On her doctor’s recommendation, Kotb went in for a mammogram, then an ultrasound.
—Maggie Ryan, Flow Space, 5 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 19 May. 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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