Meaning of “ultrasound” in the English Dictionary

american-english dictionary

(Definition of “ultrasound” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"ultrasound" in American English

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ultrasoundnoun [ U ]

us /ˈʌl·trəˌsɑʊnd/

sound waves that are higher than people can hear, esp. ones used to examine and treat medical problems:

An ultrasound scan revealed tissue damage.

(Definition of “ultrasound” from the Cambridge Academic Content Dictionary © Cambridge University Press)