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ultrasound
[ uhl-truh-sound ]
noun
- 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.
ultrasound
/ ˈʌltrəˌsaʊnd /
noun
- ultrasonic waves at frequencies above the audible range (above about 20 kHz), used in cleaning metallic parts, echo sounding, medical diagnosis and therapy, etc
ultrasound
/ ŭl′trə-sound′ /
- Sound whose frequency is above the upper limit of the range of human hearing (approximately 20 kilohertz).
- See ultrasonography
- An image produced by ultrasonography.
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
Word History and Origins
Origin of ultrasound1
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Example Sentences
“I was sitting in a dark room day after day, reading ultrasound images of human patients,” she recalls.
For medical imaging, space-medicine researchers have their eyes on a new ultrasound device.
Advocate for a 3-D ultrasound which will offer a more comprehensive picture and analysis of your breast tissue.
Both George and Frank went about their daily business, seemingly not feeling the ultrasound at all.
That then boosts the ultrasound energy deposited on the cells, Mittelstein says.
When the machine was wheeled in, I pulled the window shades closed and applied the ultrasound probe to his chest.
We continued CPR while I called for an echo machine, which takes ultrasound pictures of the heart.
They 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.
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