ultrasonic
1 of 1adjective/ˌʌltrəˈsɑnɪk/
1
involving or relating to sound waves with frequencies higher than the upper limit of human hearing
- The ultrasonic cleaner uses high-frequency sound waves to clean delicate items.
- Dogs can hear ultrasonic frequencies that are beyond the range of human hearing.
- The device produced an ultrasonic sound that humans could not hear, but pets reacted to it.
- An ultrasonic sensor detected the distance between the car and the object.
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