Definition of ultrasound in English:


Line breaks: ultra|sound
Pronunciation: /ˈʌltrəsaʊnd


[mass noun]
  • 1Sound or other vibrations having an ultrasonic frequency, particularly as used in medical imaging: [as modifier]: an ultrasound scanner
    More 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.
  • 1.1 [count noun] An ultrasound scan, especially one of a pregnant woman to examine the fetus: I have to take my daughter-in-law for her ultrasound
    More 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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