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ultrasound [ultrasounds]▼(sound)noun[UK: ˈʌl.trə.saʊnd] [US: ˌʌl.trə.ˈsaʊnd]
ultrasonic▼(beyond (higher in frequency than) the range of sound perceptible to the human ear)adjective[UK: ˌʌl.trə.ˈsɒ.nɪk] [US: ˌʌl.trə.ˈsɑː.nɪk]
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