Definition of ultrasound in English:

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Pronunciation: /ˈəltrəˌsound/


1Sound or other vibrations having an ultrasonic frequency, particularly as used in medical imaging.
Example sentences
  • Echocardiography is the study of the heart using high frequency sound waves or ultrasound.
  • The big brother of ultrasound, infrasound means frequencies too low to be heard by the human ear.
  • It has a video camera eye, and several ultrasound sensors which emit pulses of sound and can measure the distance from an object by the echo.
1.1An ultrasound scan, especially one of a pregnant woman to examine the fetus.
Example sentences
  • ‘They have to have hormonal injections, come for ultrasounds, scans, blood tests - and honestly I can't see anybody doing it for free,’ says Tan.
  • These tests may include blood tests, urinalysis and imaging studies, such as ultrasounds or angiography.
  • Does she get yearly ultrasounds and blood tests to screen for ovarian cancer?
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