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.

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.