ultrasound
Definition from Wiktionary, the free dictionary
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[edit] English
[edit] Noun
Wikipedia ultrasound (countable and uncountable; plural ultrasounds)
- (physics) sound with a frequency greater than the upper limit of human hearing; approximately 20 kilohertz
- (medicine) The use of ultrasonic waves for diagnostic or therapeutic purposes
[edit] Translations
sound with a frequency greater than the upper limit of human hearing
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[edit] Related terms
[edit] Antonyms
- (physics): infrasound