ultrasound
noun
ul·tra·sound
| \ ˈəl-trə-ˌsau̇nd
\
\
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.
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Recent Examples on the Web
After all, many of them were online before they were even born, with their ultrasound pictures shared on social media by proud parents-to-be. — Marcie Merriman, Quartz at Work, "Will tech addiction mean the rise or demise of the Gen Z workforce?," 22 Aug. 2019 Zookeepers have been performing regular ultrasounds on Mei Xiang, who is on the older side for giving birth, and are watching her closely. — Dana Hedgpeth, Washington Post, "Giant panda Bei Bei turns 4 this week, but his days in Washington are numbered," 21 Aug. 2019 Other tests may include x-rays, blood tests, electrocardiogram, and ultrasound - the test of choice to diagnose DCM. — Iris Katz, baltimoresun.com/maryland/carroll, "Pet Wise: Exploring links between grain-free diets and cardiomyopathy in dogs," 16 Aug. 2019 In order to make a diagnosis, your OB-GYN will order a blood count, measure your hormone levels, and do a transvaginal ultrasound. — Sophia Caraballo, Woman's Day, "Here's Why You Might Experience Dizziness During Your Period — and Why You Shouldn't Ignore It," 16 Aug. 2019 The duo also debuted their child's ultrasound in a photo on Ervin's profile. — Erica Gonzales, Harper's BAZAAR, "Ashley Graham Is Pregnant with Her First Child," 14 Aug. 2019 The group also has access to a mobile ultrasound that can be used in the field with a phone as a screen. — Chevall Pryce, Houston Chronicle, "Cypress Creek EMS improving service ability with military fellowship," 6 Aug. 2019 This provides the instructions for these cells to make the ultrasound-responsive proteins. — Sreekanth Chalasani, The Conversation, "The new field of sonogenetics uses sound waves to control the behavior of brain cells," 9 Aug. 2019 Although Moutinho still needed to undergo ultrasound and MRI scans on Thursday before the team could estimate a return date, the defender is currently listed as questionable for Saturday’s game in Toronto. — Julia Poe, Pro Soccer USA, "Orlando City looks to refocus after exiting U.S. Open Cup," 2 Aug. 2019These 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.
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More Definitions for ultrasound
ultrasound
noun
English Language Learners Definition of ultrasound
: 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
See the full definition for ultrasound in the English Language Learners Dictionary
ultrasound
noun
ul·tra·sound
| \ ˈəl-trə-ˌsau̇nd
\
\
Medical Definition of ultrasound
(Entry 1 of 2)
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
adjectiveMedical Definition of ultrasound (Entry 2 of 2)
: of, relating to, performed by, using, or specializing in ultrasound
an ultrasound technician ultrasound imaging
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