Definition of ultrasound
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
3 : a diagnostic examination using ultrasound
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 of ultrasound from the Web
But after an ultrasound revealed a tumor, Thompson underwent a double-mastectomy, followed by chemotherapy.
Another new piece of equipment allows for medical professionals to integrate ultrasound with other multiple imaging technologies, said Sichlau, who is part of VIR Chicago, a group of 10 specialists who have privileges at 10 Chicago area hospitals.
The page says that Chris had set money aside for his girlfriend’s 3D ultrasound, which gives prospective parents a fuller view of a baby in utero, and the 3D images are posted on the page.
Zach and Tori knew about their son’s diagnosis during the 34 week ultrasound and told their family right away.
After the through-the-fence eye exam, Indira was transported to the University Veterinary Teaching Hospital in New South Wales in July and anesthetized for a battery of tests, including a CAT scan, MRI, and an ultrasound biomicroscopy.
The experimental group was composed of fifty 9 - 14 year old pitchers - during a simulated pitching performance, where an ultrasound was performed on the throwing shoulder (and non-dominant shoulder) before, after 25 pitches, and after 50 pitches.
The company also is gaining traction with its new SRT-100 Vision model that includes ultrasound.
At the ultrasound, four to five months into her pregnancy, the doctor said the baby had microcephaly, a birth defect linked to Zika and marked by an abnormally small head and underdeveloped brain.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ultrasound'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of ultrasound
ULTRASOUND Defined for English Language Learners
Definition of ultrasound for English Language Learners
: a type of sound that is too high for humans to hear
medical : a method of producing images of the inside of the body by using a machine that produces sound waves which are too high to be heard
: an image that is made using ultrasound
Medical Definition of ultrasound
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
Medical Definition of ultrasound
: of, relating to, performed by, using, or specializing in ultrasound an ultrasound technician ultrasound imaging
Seen and Heard
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