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.
See More

Recent Examples on the Web

Sarkar and Harrison said that primary-care providers must be on the lookout for a combination of risk factors that warrant sending patients to a specialist for a noninvasive liver ultrasound known as a FibroScan. Cathie Anderson, sacbee, "A liver disease you've never heard of is putting 12 million Americans' lives at risk," 7 June 2018 According to a video of an early ultrasound that Joanna shared on Instagram, Chip had an early suspicion that their baby would be a boy. Sarah Midkiff, refinery29.com, "Chip & Joanna Gaines Welcome New Baby & Our Shiplap-Loving Hearts Are Bursting," 23 June 2018 His teams are also working to build other forms of ultrasound, including a wearable patch and a pill that could image cancer from within the body. Rebecca Lurye, courant.com, "Starting With Ultrasound, An Innovation Empire Is Growing In Guilford," 15 Apr. 2018 But then, at eight weeks, an ultrasound revealed that her fetus had no heartbeat. Michael Paulson, New York Times, "‘Frozen’ on Broadway Made Them Sisters. Heartbreak Made Them Friends.," 6 Mar. 2018 So far all the tests and ultrasounds say baby is healthy! Karen Mizoguchi, PEOPLE.com, "RHOA's Kenya Moore Says 'Baby Daly Is Giving Me Amazing Skin' in Update on Her Growing Bump," 12 July 2018 Shortly after my separation came my trial run: A thyroid ultrasound initially appeared to show a malignancy that was soon declared normal. Washington Post, "When you’re aging alone, who will take care of you if you get sick?," 9 July 2018 Park goers have mistaken them for the whoosh of an airplane, the thumping of an ultrasound or audio from a dinosaur movie. Maya Sweedler, WSJ, "Heavy Breathing in Manhattan Park Is Not What Anyone Thinks It Is," 2 July 2018 Some go so far as to let people without medical licenses perform ultrasounds on unsuspecting clients. Ilyse Hogue, Marie Claire, "I'm the President of NARAL. Roe v. Wade Is in Grave Danger.," 27 June 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.

See More

First Known Use of ultrasound

1923, in the meaning defined at sense 1

Keep scrolling for more

Learn More about ultrasound

Share ultrasound

Statistics for ultrasound

Last Updated

11 Sep 2018

Look-up Popularity

Time Traveler for ultrasound

The first known use of ultrasound was in 1923

See more words from the same year

Keep scrolling for more

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

Keep scrolling for more

Comments on ultrasound

What made you want to look up ultrasound? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

alleviating pain or harshness

Get Word of the Day daily email!

Test Your Vocabulary

Musical Words Quiz

  • gramophone
  • Which word describes a musical performance marked by the absence of instrumental accompaniment?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!