ultrasound
Physics. sound with a frequency greater than 20,000 Hz, approximately the upper limit of human hearing.
Medicine/Medical. the application of ultrasonic waves to therapy or diagnostics, as in deep-heat treatment of a joint or imaging of internal structures.
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Origin of ultrasound
1- Compare ultrasonography.
Words Nearby ultrasound
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use ultrasound in a sentence
“I was sitting in a dark room day after day, reading ultrasound images of human patients,” she recalls.
When physicians and veterinarians team up, all species benefit | Liz Devitt | November 5, 2020 | Science News For StudentsFor medical imaging, space-medicine researchers have their eyes on a new ultrasound device.
Surviving Mars missions will take planning and lots of innovation | Maria Temming | October 22, 2020 | Science News For StudentsAdvocate for a 3-D ultrasound which will offer a more comprehensive picture and analysis of your breast tissue.
The Anatomy Of A Breast Cancer Survivor: ‘Early Detection Saved My Life’ | Charli Penn | October 6, 2020 | Essence.comBoth George and Frank went about their daily business, seemingly not feeling the ultrasound at all.
How Scientists Influenced Monkeys’ Decisions Using Ultrasound in Their Brains | Shelly Fan | May 27, 2020 | Singularity HubThat then boosts the ultrasound energy deposited on the cells, Mittelstein says.
New ultrasound treatment kills off cancer cells | Alison Pearce Stevens | April 10, 2020 | Science News For Students
When the machine was wheeled in, I pulled the window shades closed and applied the ultrasound probe to his chest.
Real Life Lazarus: When Patients Rise From the Dead | Sandeep Jauhar | August 21, 2014 | THE DAILY BEASTWe continued CPR while I called for an echo machine, which takes ultrasound pictures of the heart.
Real Life Lazarus: When Patients Rise From the Dead | Sandeep Jauhar | August 21, 2014 | THE DAILY BEASTThey tried again and were thrilled when the first ultrasound showed twins.
Her partner in all this eating and cooking is an ultrasound technician named Raphael, her boyfriend of four years.
Walker said that although he signed the ultrasound bill, it is not something he focuses on.
Scott Walker Is the Perfect Republican Candidate for 2016 (on Paper) | David Freedlander | November 20, 2013 | THE DAILY BEAST
British Dictionary definitions for ultrasound
/ (ˈʌltrəˌsaʊnd) /
ultrasonic waves at frequencies above the audible range (above about 20 kHz), used in cleaning metallic parts, echo sounding, medical diagnosis and therapy, etc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for ultrasound
[ ŭl′trə-sound′ ]
Sound whose frequency is above the upper limit of the range of human hearing (approximately 20 kilohertz).
An image produced by ultrasonography.
a closer look
Other words from ultrasound
- ultrasonic adjective (ŭl′trə-sŏn′ĭk)
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for ultrasound
A method of diagnosing illness and viewing internal body structures in which sound waves of high frequency are bounced off internal organs and tissues from outside the body. The technique measures different amounts of resistance the body parts offer to the sound waves, and then uses the data to produce a “picture” of the structures. Ultrasound is often used to obtain an image of the developing fetus in pregnant women; the image can confirm the presence of twins or triplets and can be used to diagnose some abnormalities.
Notes for ultrasound
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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