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ultrasonic

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ultrasonic (adjective)

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ultrasonic /ˌʌltrəˈsɑːnɪk/ adjective

ultrasonic

/ˌʌltrəˈsɑːnɪk/

adjective

Learner's definition of ULTRASONIC

— used to describe sounds that are too high for humans to hear

ultrasonic frequencies

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