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
Butterfly Network's handheld ultrasound device, powered by AI, enables point-of-care imaging, making early diagnosis more accessible.
—
David Henkin, Forbes, 4 Nov. 2024
These alternative treatments include microneedling, platelet-rich plasma (PRP), laser therapy, ultrasound skin tightening, and radiofrequency treatments.
—Audrey Noble, Vogue, 21 Oct. 2024
The ultrasound exam that doctors use to make sure fetal organs are developing properly occurs 18 to 22 weeks into a pregnancy.
—Karen Kaplan, Los Angeles Times, 21 Oct. 2024
An ultrasound showed that the suspicious area on her mammogram was nothing to worry about, Matos said.
—Liz Szabo, NBC News, 12 Oct. 2024
See all Example Sentences for ultrasound 
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David Henkin, Forbes, 4 Nov. 2024
These alternative treatments include microneedling, platelet-rich plasma (PRP), laser therapy, ultrasound skin tightening, and radiofrequency treatments.
—Audrey Noble, Vogue, 21 Oct. 2024
The ultrasound exam that doctors use to make sure fetal organs are developing properly occurs 18 to 22 weeks into a pregnancy.
—Karen Kaplan, Los Angeles Times, 21 Oct. 2024
An ultrasound showed that the suspicious area on her mammogram was nothing to worry about, Matos said.
—Liz Szabo, NBC News, 12 Oct. 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 26 Nov. 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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