ultrasound

noun
ul·​tra·​sound | \ ˈəl-trə-ˌsau̇nd How to pronounce ultrasound (audio) \

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

Doctors never detected the fourth baby, who has not been named yet, despite the various ultrasounds Van Gorder underwent. Madeline Farber, Fox News, "Texas woman expecting triplets surprised with quadruplets," 24 May 2018 The grey and white photo was fuzzy, yet clear as day: an ultrasound. Elise Taylor, Vogue, "The Deeper Meaning Behind Justin and Hailey Bieber’s Fake-Pregnancy Joke," 1 Apr. 2019 The trailer reveals a very pregnant Cameran driving with Shep Rose, doing pre-birth exercises with Whitney Sudler-Smith, and getting an ultrasound of her baby girl. Sam Dangremond, Town & Country, "Southern Charm Season 5: Everything We Know," 4 Apr. 2018 There are even variations that include having the video chat at an actual clinic where an ultrasonographer or nurse first performs the ultrasound to ensure the correct gestational age of the pregnancy. SELF, "The Complicated Reality of Buying Abortion Pills Online," 8 Apr. 2019 The groom’s mother retired as an assistant professor of radiology at Tufts University Medical School and the chief of ultrasound at Tufts Medical Center, both in Boston. New York Times, "Alana Berman-Gnivecki, Martin Solomon," 17 June 2018 Pregnant women with any chance of Zika infection need regular scans to see if the fetus is affected — and any babies born need an ultrasound or CT scan to check for birth defects. NBC News, "What is the Zika virus? What you need to know," 27 Apr. 2018 Doctors can run tests like an ultrasound to see what's going on and determine whether surgery is necessary (which is rarely the case, per the Mayo Clinic). Carolyn L. Todd, SELF, "Kate Beckinsale Reveals She Went to the Hospital for a Ruptured Ovarian Cyst," 28 Jan. 2019 Up there with tiger tooth extraction and female bonobo ejaculation sampling is giving a pregnant shark an ultrasound. Jill Kiedaisch, Popular Mechanics, "Some Unborn Sharks Swim from Uterus to Uterus Inside Their Mom," 7 Jan. 2019

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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Statistics for ultrasound

Last Updated

22 May 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 How to pronounce ultrasound (audio) \

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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