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

Patients visit imaging centers for diagnostic and screening tests that require ultrasounds, MRIs or CT scans. Melanie Evans, WSJ, "The Hidden System That Explains How Your Doctor Makes Referrals," 27 Dec. 2018 That's why the bill mandates that insurers in the state cover all fees for mammograms, breast ultrasounds, and MRIs a doctor recommends. Kaitlin Menza, Redbook, "Everything You Need to Know Before Voting in the Midterm Elections," 10 Oct. 2018 Services provided by the clinic include pregnancy tests, ultrasounds, peer counseling, prenatal classes, baby and maternity clothes, as well as other supplies. Ramona Sentinel, "Walk for Life 2018 benefits pregnancy care clinic," 4 Apr. 2018 The expansion will allow HCSET to also serve a variety of needs such as health counseling, substance abuse counseling and ultrasounds. Jacob Mcadams, Houston Chronicle, "Health Center of Southeast Texas breaks ground on expansion," 29 Mar. 2018 The Reality: These surgery-sparing tools send energy (radiofrequency or ultrasound) deep into the dermis to rev up collagen production. Jolene Edgar, Town & Country, "The Most Overrated Cosmetic Procedures," 23 Sep. 2016 Iranian hospitals use ultrasound and MRI equipment made by General Electric Co. Denise Roland, WSJ, "New Sanctions, New Hurdles for Western Firms Still Doing Business in Iran," 7 Nov. 2018 Laws in more conservative states requiring women seeking abortions to view ultrasounds or learn about the growth of their fetus now could be at risk. Richard Wolf, USA TODAY, "Supreme Court rules against California law targeting anti-abortion pregnancy centers," 26 June 2018 There’s a two-part tracking system that both utilizes the S8 to listen to ultrasound chirping from sensors and monitors the inertial data that gets compared to riders of various weights to figure out exactly where users are. Chaim Gartenberg, The Verge, "Ready or not, the world’s first VR water slide is here," 17 July 2018

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.

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First Known Use of ultrasound

1923, in the meaning defined at sense 1

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Last Updated

13 Feb 2019

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Time Traveler for ultrasound

The first known use of ultrasound was in 1923

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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

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

adjective

Medical 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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More from Merriam-Webster on ultrasound

Rhyming Dictionary: Words that rhyme with ultrasound

Spanish Central: Translation of ultrasound

Nglish: Translation of ultrasound for Spanish Speakers

Britannica English: Translation of ultrasound for Arabic Speakers

Britannica.com: Encyclopedia article about ultrasound

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