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 Kimberley helps wipe up her legs and gets her to a nurse, who performs an ultrasound. Nick Schager, EW.com, 27 Sep. 2021 Hawkins cited data from the American Pregnancy Association, Very Well Family, and What to Expect, all of which note that a heartbeat may be detectable by ultrasound as early as six weeks gestation. Fox News, 10 Sep. 2021 In practice, electric impulses from a developing embryo can be detected by ultrasound at or around six weeks’ gestational age. Los Angeles Times, 9 Sep. 2021 The couple attend an ultrasound appointment in the next clip, accompanied by their 3-year-old daughter Stormi Webster. Sana Noor Haq, CNN, 8 Sep. 2021 Then, at an ultrasound at thirteen weeks, some physical abnormalities were detected and we were transferred to a maternal and fetal care center. Michelle Ruiz, Vogue, 7 Sep. 2021 Republican lawmakers in Wisconsin have passed legislation in recent years under former Gov. Scott Walker that bans abortions after five months of pregnancy and requires women to receive an ultrasound beforehand. Patrick Marley, Milwaukee Journal Sentinel, 2 Sep. 2021 Doctors, suspecting internal bleeding, wanted to give her an ultrasound. oregonlive, 16 Aug. 2021 However, before women receive abortions, Texas law already requires them to have an ultrasound that confirms their pregnancy is located in the uterus. Dallas News, 8 Sep. 2021

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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Time Traveler for ultrasound

Time Traveler

The first known use of ultrasound was in 1923

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Dictionary Entries Near ultrasound

ultrasophisticated

ultrasound

ultrastructure

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Statistics for ultrasound

Last Updated

7 Oct 2021

Cite this Entry

“Ultrasound.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultrasound. Accessed 16 Oct. 2021.

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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
: 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

More from Merriam-Webster on 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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