ultrasonic
🇺🇸
/ˌʌltrəˈsɑːnɪk/
🇬🇧
/ˌʌltrəˈsɒnɪk/
adjective
R
sounds that are too high for people to hear
The device emits an ultrasonic beep that only animals can hear.
translation
sounds that are too high for people to hear