ultrasound Definition in the Cambridge English Dictionary
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Definition of “ultrasound” - English Dictionary

Definition of "ultrasound" - American English Dictionary

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ultrasoundnoun [U]

 us   /ˈʌl·trəˌsɑʊnd/
soundwaves that are ​higher than ​people can ​hear, esp. ​ones used to ​examine and ​treatmedicalproblems: An ultrasound ​scanrevealedtissuedamage.
(Definition of ultrasound from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "ultrasound" - British English Dictionary

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ultrasoundnoun

uk   us   /ˈʌl.trə.saʊnd/
[U] specialsoundwaves used in such ​processes as ​examiningorgans inside the ​body and ​directing the ​route of submarines: They'll use ultrasound to ​monitor her ​ovaries. ultrasound ​scanning/​imaging [C] an ultrasound scan
(Definition of ultrasound from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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