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ultrasonic▼adjective[UK: ˌʌl.trə.ˈsɒ.nɪk] [US: ˌʌl.trə.ˈsɑː.nɪk]
supersonic▼(greater than the speed of sound)adjective[UK: ˌsuː.pə.ˈsɒ.nɪk] [US: ˌsuː.pər.ˈsɑː.nɪk]
ultrasonically▼adverb
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